Q: What are the prime factors of the number 313,533,000?

 A: 2, 3, 5, 11, 3167

Why are those the prime factors of the number 313,533,000?

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 313,533,000

313,533,000
Factor Arrows
2156,766,500
Factor Arrows
278,383,250
Factor Arrows
239,191,625
Factor Arrows
313,063,875
Factor Arrows
34,354,625
Factor Arrows
5870,925
Factor Arrows
5174,185
Factor Arrows
534,837
Factor Arrows
113,167

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, 11, 3167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 5 x 11 x 3,167 = 313,533,000

This can also be written as 23 x 32 x 53 x 111 x 3,1671 = 313,533,000

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


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