Q: What are the prime factors of the number 722,245,700?

 A: 2, 5, 11, 656587

Why are those the prime factors of the number 722,245,700?

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 722,245,700

722,245,700
Factor Arrows
2361,122,850
Factor Arrows
2180,561,425
Factor Arrows
536,112,285
Factor Arrows
57,222,457
Factor Arrows
11656,587

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, 11, 656587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 656,587 = 722,245,700

This can also be written as 22 x 52 x 111 x 656,5871 = 722,245,700

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


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