Q: What are the prime factors of the number 462,646,632?

 A: 2, 3, 7, 43, 1307

Why are those the prime factors of the number 462,646,632?

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 462,646,632

462,646,632
Factor Arrows
2231,323,316
Factor Arrows
2115,661,658
Factor Arrows
257,830,829
Factor Arrows
319,276,943
Factor Arrows
72,753,849
Factor Arrows
7393,407
Factor Arrows
756,201
Factor Arrows
431,307

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, 43, 1307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 7 x 43 x 1,307 = 462,646,632

This can also be written as 23 x 31 x 73 x 431 x 1,3071 = 462,646,632

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


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