Q: What are the prime factors of the number 751,251,444?

 A: 2, 3, 149, 420163

Why are those the prime factors of the number 751,251,444?

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 751,251,444

751,251,444
Factor Arrows
2375,625,722
Factor Arrows
2187,812,861
Factor Arrows
362,604,287
Factor Arrows
149420,163

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, 149, 420163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 149 x 420,163 = 751,251,444

This can also be written as 22 x 31 x 1491 x 420,1631 = 751,251,444

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


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