Q: What are the prime factors of the number 312,211,008?

 A: 2, 3, 59, 9187

Why are those the prime factors of the number 312,211,008?

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 312,211,008

312,211,008
Factor Arrows
2156,105,504
Factor Arrows
278,052,752
Factor Arrows
239,026,376
Factor Arrows
219,513,188
Factor Arrows
29,756,594
Factor Arrows
24,878,297
Factor Arrows
31,626,099
Factor Arrows
3542,033
Factor Arrows
599,187

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, 59, 9187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 59 x 9,187 = 312,211,008

This can also be written as 26 x 32 x 591 x 9,1871 = 312,211,008

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


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