Q: What are the prime factors of the number 6,142,650?

 A: 2, 3, 5, 31, 1321

Why are those the prime factors of the number 6,142,650?

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 6,142,650

6,142,650
Factor Arrows
23,071,325
Factor Arrows
31,023,775
Factor Arrows
5204,755
Factor Arrows
540,951
Factor Arrows
311,321

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, 31, 1321

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 31 x 1,321 = 6,142,650

This can also be written as 21 x 31 x 52 x 311 x 1,3211 = 6,142,650

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


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