Q: What are the prime factors of the number 465,444,447?

 A: 3, 13, 31, 367, 1049

Why are those the prime factors of the number 465,444,447?

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 465,444,447

465,444,447
Factor Arrows
3155,148,149
Factor Arrows
1311,934,473
Factor Arrows
31384,983
Factor Arrows
3671,049

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:

3, 13, 31, 367, 1049

We can check our work by multiplying all of the prime factors together: 3 x 13 x 31 x 367 x 1,049 = 465,444,447

This can also be written as 31 x 131 x 311 x 3671 x 1,0491 = 465,444,447

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


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