Q: What are the prime factors of the number 708,744,862?

 A: 2, 7, 23, 29, 71, 1069

Why are those the prime factors of the number 708,744,862?

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 708,744,862

708,744,862
Factor Arrows
2354,372,431
Factor Arrows
750,624,633
Factor Arrows
232,201,071
Factor Arrows
2975,899
Factor Arrows
711,069

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, 7, 23, 29, 71, 1069

We can check our work by multiplying all of the prime factors together: 2 x 7 x 23 x 29 x 71 x 1,069 = 708,744,862

This can also be written as 21 x 71 x 231 x 291 x 711 x 1,0691 = 708,744,862

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


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