Q: What are the prime factors of the number 312,024,020?

 A: 2, 5, 7, 11, 202613

Why are those the prime factors of the number 312,024,020?

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 312,024,020

312,024,020
Factor Arrows
2156,012,010
Factor Arrows
278,006,005
Factor Arrows
515,601,201
Factor Arrows
72,228,743
Factor Arrows
11202,613

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, 5, 7, 11, 202613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 11 x 202,613 = 312,024,020

This can also be written as 22 x 51 x 71 x 111 x 202,6131 = 312,024,020

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


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