Q: What are the prime factors of the number 626,752?

 A: 2, 7, 1399

Why are those the prime factors of the number 626,752?

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 626,752

626,752
Factor Arrows
2313,376
Factor Arrows
2156,688
Factor Arrows
278,344
Factor Arrows
239,172
Factor Arrows
219,586
Factor Arrows
29,793
Factor Arrows
71,399

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, 1399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 1,399 = 626,752

This can also be written as 26 x 71 x 1,3991 = 626,752

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


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