Q: What are the prime factors of the number 647,711,504?

 A: 2, 11, 167, 22037

Why are those the prime factors of the number 647,711,504?

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 647,711,504

647,711,504
Factor Arrows
2323,855,752
Factor Arrows
2161,927,876
Factor Arrows
280,963,938
Factor Arrows
240,481,969
Factor Arrows
113,680,179
Factor Arrows
16722,037

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, 11, 167, 22037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 167 x 22,037 = 647,711,504

This can also be written as 24 x 111 x 1671 x 22,0371 = 647,711,504

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


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