Q: What are the prime factors of the number 34,781,380?

 A: 2, 5, 31, 56099

Why are those the prime factors of the number 34,781,380?

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 34,781,380

34,781,380
Factor Arrows
217,390,690
Factor Arrows
28,695,345
Factor Arrows
51,739,069
Factor Arrows
3156,099

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, 5, 31, 56099

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 31 x 56,099 = 34,781,380

This can also be written as 22 x 51 x 311 x 56,0991 = 34,781,380

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


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