what are the factors of 90? You are searching for the answer for 90 factorizations. Finding the factors of a number is easy as factors are just the numbers that divide the number equally leaving no remainders. Let us just not waste time and know the numbers that are factors of 90.

**What Are The Factors Of 90?**

The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The factors are the number that divides the number in such a way that there is no remainder left.

So all factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90. Now

- 1(90➗1=90)
- 2(90➗2=45)
- 3(90➗3=30)
- 5(90➗5=18)
- 6(90➗6=15)
- 9(90➗9=10)
- 10(90➗10=9)
- 15(90➗15=6)
- 18(90➗18=5)
- 30(90➗30=3)
- 45(90➗45=2)
- 90(90➗90=1)

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 are factors for 90.

After knowing what all the factors of 90 are let us know more about the 90 factors

**Prime Factors Of 90**

To know the prime factors of 90, first, you should know which are the prime numbers up to 90. After that, we have to divide 90 by all prime numbers. Now We are going to calculate the prime factors by factorization of the 90 methods.

- 90➗2 = 37.5
- 90➗3 = 25
- 90➗5 = 15
- 90➗7 = 10.71
- 90➗13 = 5.76
- Continue the same with the rest prime numbers which are the following 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89

So the prime factor for the number 90 is 2, 3 and 5

**Factors Of 90 In Pairs**

The product of the number whose result will be 90, that number is nothing but the pair factors of 90.

- 1×90=90
- 2×45=90
- 3×30=90
- 5×18=90
- 6×15=90
- 9×10=90
- 10×9=90
- 15×6=90
- 18×5=90
- 30×3=90
- 45×2=90
- 90×1=90

So the pair factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

**Factors Of -90**

The negative numbers of factors of 90 are called factors of -90.

Below You can see the numbers.

- -1(-90➗-1=-90)
- -2(-90➗-2=-45)
- -3(-90➗-3=-30)
- -5(-90➗-5=-18)
- -6(-90➗-6=-15)
- -9(-90➗-9=-10)
- -10(-90➗-10=9)
- -15(-90➗-15=6)
- -18(-90➗-18=5)
- -30(-90➗-30=3)
- -45(-90➗-45=2)
- -90(-90➗-90=1)

The Factors for -90 are -1, -2, -3, -5, -6, -9, -10, -15, -18, -30, -45, -90

**Factors Of 90 And Other Numbers**

Here are the factors of 90 and other numbers.

**The Factors For 90 And 75**

The factors for 90 and 100 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 100 factors – 1, 3, 5, 15, 25, 75

HCF of 90 and 100 = 15

**The Factors Of 90 that add up to 19**

The factors of 90 add up to 19 are 9 and 10

- 9×10 = 90
- 9+10 = 90

**The Factors Of 90 that add up to 21**

The factors of 90 add up to 19 are 9 and 10

- 6×15 = 90
- 6+15 = 90

**Common Factors Of 75 With Other Numbers**

Here are some of the common factors of 75 with some other numbers

**Common Factors Of 90 And 270**

The common factor for 90 and 270 are 2, 3, 5, 6, 9, 10, 15, 18, 30, 45

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 270 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270

**Common Factors Of 90 And 60**

The common factor for 90 and 60 are 2, 3, 5, 6, 10, 15, 30

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 60 factors – 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

**Common Factors Of 90 And 150**

The common factor for 90 and 150 are 2, 3, 5, 6, 10, 15, 30

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 48 factors – 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150

**Common Factors Of 90 And 45**

The common factors for 90 and 45 are 5, 15, 45

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 45 factors – 1, 3, 5, 9, 15, 45

**Common Factors Of 90 And 36**

The common factors for 90 and 135 are 3, and 6

- 90 factors – 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
- 36 factors – 2, 3, 4, 6, 9, 12, 18

**Product of Prime Factors of 90**

The product’s prime factors of 90 is 30

- 2 x 3 x 5 = 30

All factors for the numbers can be seen here on Factorsweb

**FAQ**

**Which Factor Of 90 Is A Prime Number?**

The factors of 90 that re prime number are 2, 3, and 5

**How Many Primes Are There In 90?**

There are 24 prime numbers from 1 to 90 which are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, and 89

**What Are The Factors Of 90?**

The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

**What Are The Prime Numbers?**

The prime numbers from 1 to 100 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.

**What Is A Prime Factor In Math?**

A prime factor is **a natural number, other than 1, whose only factors are 1 and itself**. The first few prime numbers are actually 2, 3, 5, 7, 11, and so on. Now we can also use what’s called prime factorization for numbers which actually consist of using factor trees.

**Conclusion**

You came here in the search of factors of 90. I have not only given you the answer for factor numbers for 90 I have also given you prime factors of 90. You have learned how to find the highest common factor and common factor of 90 with other numbers too. Knowing factors of 90 will help you solve many sums in maths.

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