Q: What are the prime factors of the number 312,141,456?

 A: 2, 3, 11, 197059

Why are those the prime factors of the number 312,141,456?

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 312,141,456

312,141,456
Factor Arrows
2156,070,728
Factor Arrows
278,035,364
Factor Arrows
239,017,682
Factor Arrows
219,508,841
Factor Arrows
36,502,947
Factor Arrows
32,167,649
Factor Arrows
11197,059

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, 11, 197059

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 11 x 197,059 = 312,141,456

This can also be written as 24 x 32 x 111 x 197,0591 = 312,141,456

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


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