Q: What are the prime factors of the number 312,361,208?

 A: 2, 31, 827, 1523

Why are those the prime factors of the number 312,361,208?

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 312,361,208

312,361,208
Factor Arrows
2156,180,604
Factor Arrows
278,090,302
Factor Arrows
239,045,151
Factor Arrows
311,259,521
Factor Arrows
8271,523

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, 31, 827, 1523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 31 x 827 x 1,523 = 312,361,208

This can also be written as 23 x 311 x 8271 x 1,5231 = 312,361,208

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


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