Q: What are the prime factors of the number 312,470,250?

 A: 2, 3, 5, 43, 9689

Why are those the prime factors of the number 312,470,250?

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 312,470,250

312,470,250
Factor Arrows
2156,235,125
Factor Arrows
352,078,375
Factor Arrows
510,415,675
Factor Arrows
52,083,135
Factor Arrows
5416,627
Factor Arrows
439,689

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, 43, 9689

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 43 x 9,689 = 312,470,250

This can also be written as 21 x 31 x 53 x 431 x 9,6891 = 312,470,250

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


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