Q: What are the prime factors of the number 100,484,370?

 A: 2, 3, 5, 7, 159499

Why are those the prime factors of the number 100,484,370?

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 100,484,370

100,484,370
Factor Arrows
250,242,185
Factor Arrows
316,747,395
Factor Arrows
35,582,465
Factor Arrows
51,116,493
Factor Arrows
7159,499

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, 3, 5, 7, 159499

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 159,499 = 100,484,370

This can also be written as 21 x 32 x 51 x 71 x 159,4991 = 100,484,370

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


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