Q: What are the prime factors of the number 403,761,753?

 A: 3, 353, 523

Why are those the prime factors of the number 403,761,753?

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 403,761,753

403,761,753
Factor Arrows
3134,587,251
Factor Arrows
344,862,417
Factor Arrows
314,954,139
Factor Arrows
34,984,713
Factor Arrows
31,661,571
Factor Arrows
3553,857
Factor Arrows
3184,619
Factor Arrows
353523

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:

3, 353, 523

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 353 x 523 = 403,761,753

This can also be written as 37 x 3531 x 5231 = 403,761,753

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


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