Q: What are the prime factors of the number 90,452,908?

 A: 2, 7, 13, 43, 5779

Why are those the prime factors of the number 90,452,908?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 90,452,908

90,452,908
Factor Arrows
245,226,454
Factor Arrows
222,613,227
Factor Arrows
73,230,461
Factor Arrows
13248,497
Factor Arrows
435,779

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 13, 43, 5779

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 13 x 43 x 5,779 = 90,452,908

This can also be written as 22 x 71 x 131 x 431 x 5,7791 = 90,452,908

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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