Q: What are the prime factors of the number 532,781,430?

 A: 2, 3, 5, 23, 772147

Why are those the prime factors of the number 532,781,430?

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 532,781,430

532,781,430
Factor Arrows
2266,390,715
Factor Arrows
388,796,905
Factor Arrows
517,759,381
Factor Arrows
23772,147

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, 5, 23, 772147

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 23 x 772,147 = 532,781,430

This can also be written as 21 x 31 x 51 x 231 x 772,1471 = 532,781,430

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


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