Q: What are the prime factors of the number 313,050,000?

 A: 2, 3, 5, 2087

Why are those the prime factors of the number 313,050,000?

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 313,050,000

313,050,000
Factor Arrows
2156,525,000
Factor Arrows
278,262,500
Factor Arrows
239,131,250
Factor Arrows
219,565,625
Factor Arrows
36,521,875
Factor Arrows
51,304,375
Factor Arrows
5260,875
Factor Arrows
552,175
Factor Arrows
510,435
Factor Arrows
52,087

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, 2087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 5 x 5 x 2,087 = 313,050,000

This can also be written as 24 x 31 x 55 x 2,0871 = 313,050,000

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


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