Q: What are the prime factors of the number 411,250,308?

 A: 2, 3, 7, 521, 9397

Why are those the prime factors of the number 411,250,308?

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 411,250,308

411,250,308
Factor Arrows
2205,625,154
Factor Arrows
2102,812,577
Factor Arrows
334,270,859
Factor Arrows
74,895,837
Factor Arrows
5219,397

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, 7, 521, 9397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 521 x 9,397 = 411,250,308

This can also be written as 22 x 31 x 71 x 5211 x 9,3971 = 411,250,308

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


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