Q: What are the prime factors of the number 911,700?

 A: 2, 3, 5, 1013

Why are those the prime factors of the number 911,700?

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 911,700

911,700
Factor Arrows
2455,850
Factor Arrows
2227,925
Factor Arrows
375,975
Factor Arrows
325,325
Factor Arrows
55,065
Factor Arrows
51,013

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, 1013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 1,013 = 911,700

This can also be written as 22 x 32 x 52 x 1,0131 = 911,700

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


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