Q: What are the prime factors of the number 710,322,620?

 A: 2, 5, 7, 727, 997

Why are those the prime factors of the number 710,322,620?

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 710,322,620

710,322,620
Factor Arrows
2355,161,310
Factor Arrows
2177,580,655
Factor Arrows
535,516,131
Factor Arrows
75,073,733
Factor Arrows
7724,819
Factor Arrows
727997

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, 727, 997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 7 x 727 x 997 = 710,322,620

This can also be written as 22 x 51 x 72 x 7271 x 9971 = 710,322,620

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


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