Q: What are the prime factors of the number 423,727,731?

 A: 3, 7, 277, 24281

Why are those the prime factors of the number 423,727,731?

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 423,727,731

423,727,731
Factor Arrows
3141,242,577
Factor Arrows
347,080,859
Factor Arrows
76,725,837
Factor Arrows
27724,281

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, 7, 277, 24281

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 277 x 24,281 = 423,727,731

This can also be written as 32 x 71 x 2771 x 24,2811 = 423,727,731

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


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