Q: What are the prime factors of the number 636,012,020?

 A: 2, 5, 7, 613, 7411

Why are those the prime factors of the number 636,012,020?

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 636,012,020

636,012,020
Factor Arrows
2318,006,010
Factor Arrows
2159,003,005
Factor Arrows
531,800,601
Factor Arrows
74,542,943
Factor Arrows
6137,411

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, 613, 7411

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 613 x 7,411 = 636,012,020

This can also be written as 22 x 51 x 71 x 6131 x 7,4111 = 636,012,020

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


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