Q: What are the prime factors of the number 310,122,000?

 A: 2, 3, 5, 5743

Why are those the prime factors of the number 310,122,000?

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 310,122,000

310,122,000
Factor Arrows
2155,061,000
Factor Arrows
277,530,500
Factor Arrows
238,765,250
Factor Arrows
219,382,625
Factor Arrows
36,460,875
Factor Arrows
32,153,625
Factor Arrows
3717,875
Factor Arrows
5143,575
Factor Arrows
528,715
Factor Arrows
55,743

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, 5743

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 5 x 5,743 = 310,122,000

This can also be written as 24 x 33 x 53 x 5,7431 = 310,122,000

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


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