Q: What are the prime factors of the number 451,363,308?

 A: 2, 3, 11, 29, 117911

Why are those the prime factors of the number 451,363,308?

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 451,363,308

451,363,308
Factor Arrows
2225,681,654
Factor Arrows
2112,840,827
Factor Arrows
337,613,609
Factor Arrows
113,419,419
Factor Arrows
29117,911

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, 11, 29, 117911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 29 x 117,911 = 451,363,308

This can also be written as 22 x 31 x 111 x 291 x 117,9111 = 451,363,308

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


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