Q: What are the prime factors of the number 31,300,650?

 A: 2, 3, 5, 69557

Why are those the prime factors of the number 31,300,650?

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 31,300,650

31,300,650
Factor Arrows
215,650,325
Factor Arrows
35,216,775
Factor Arrows
31,738,925
Factor Arrows
5347,785
Factor Arrows
569,557

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, 69557

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 69,557 = 31,300,650

This can also be written as 21 x 32 x 52 x 69,5571 = 31,300,650

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


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