Q: What are the prime factors of the number 772,426?

 A: 2, 19, 20327

Why are those the prime factors of the number 772,426?

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 772,426

772,426
Factor Arrows
2386,213
Factor Arrows
1920,327

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, 19, 20327

We can check our work by multiplying all of the prime factors together: 2 x 19 x 20,327 = 772,426

This can also be written as 21 x 191 x 20,3271 = 772,426

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


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