Q: What are the prime factors of the number 938,980?

 A: 2, 5, 7, 19, 353

Why are those the prime factors of the number 938,980?

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 938,980

938,980
Factor Arrows
2469,490
Factor Arrows
2234,745
Factor Arrows
546,949
Factor Arrows
76,707
Factor Arrows
19353

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, 7, 19, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 19 x 353 = 938,980

This can also be written as 22 x 51 x 71 x 191 x 3531 = 938,980

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


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