Q: What are the prime factors of the number 744,317,772?

 A: 2, 3, 11, 41, 83, 1657

Why are those the prime factors of the number 744,317,772?

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 744,317,772

744,317,772
Factor Arrows
2372,158,886
Factor Arrows
2186,079,443
Factor Arrows
362,026,481
Factor Arrows
115,638,771
Factor Arrows
41137,531
Factor Arrows
831,657

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, 3, 11, 41, 83, 1657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 41 x 83 x 1,657 = 744,317,772

This can also be written as 22 x 31 x 111 x 411 x 831 x 1,6571 = 744,317,772

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


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