Q: What are the prime factors of the number 310,711,570?

 A: 2, 5, 13, 37, 4969

Why are those the prime factors of the number 310,711,570?

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 310,711,570

310,711,570
Factor Arrows
2155,355,785
Factor Arrows
531,071,157
Factor Arrows
132,390,089
Factor Arrows
13183,853
Factor Arrows
374,969

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, 13, 37, 4969

We can check our work by multiplying all of the prime factors together: 2 x 5 x 13 x 13 x 37 x 4,969 = 310,711,570

This can also be written as 21 x 51 x 132 x 371 x 4,9691 = 310,711,570

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


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