Q: What are the prime factors of the number 626,007,144?

 A: 2, 3, 7, 37, 14387

Why are those the prime factors of the number 626,007,144?

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 626,007,144

626,007,144
Factor Arrows
2313,003,572
Factor Arrows
2156,501,786
Factor Arrows
278,250,893
Factor Arrows
326,083,631
Factor Arrows
73,726,233
Factor Arrows
7532,319
Factor Arrows
3714,387

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, 7, 37, 14387

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 37 x 14,387 = 626,007,144

This can also be written as 23 x 31 x 72 x 371 x 14,3871 = 626,007,144

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


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