Q: What are the prime factors of the number 354,563,332?

 A: 2, 19, 59, 107, 739

Why are those the prime factors of the number 354,563,332?

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 354,563,332

354,563,332
Factor Arrows
2177,281,666
Factor Arrows
288,640,833
Factor Arrows
194,665,307
Factor Arrows
5979,073
Factor Arrows
107739

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, 59, 107, 739

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 59 x 107 x 739 = 354,563,332

This can also be written as 22 x 191 x 591 x 1071 x 7391 = 354,563,332

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


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