Q: What are the prime factors of the number 751,624?

 A: 2, 47, 1999

Why are those the prime factors of the number 751,624?

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 751,624

751,624
Factor Arrows
2375,812
Factor Arrows
2187,906
Factor Arrows
293,953
Factor Arrows
471,999

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, 47, 1999

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 47 x 1,999 = 751,624

This can also be written as 23 x 471 x 1,9991 = 751,624

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


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