Q: What are the prime factors of the number 425,416,356?

 A: 2, 3, 11817121

Why are those the prime factors of the number 425,416,356?

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 425,416,356

425,416,356
Factor Arrows
2212,708,178
Factor Arrows
2106,354,089
Factor Arrows
335,451,363
Factor Arrows
311,817,121

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, 11817121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11,817,121 = 425,416,356

This can also be written as 22 x 32 x 11,817,1211 = 425,416,356

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


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