Q: What are the prime factors of the number 313,134,144?

 A: 2, 3, 23, 3083

Why are those the prime factors of the number 313,134,144?

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 313,134,144

313,134,144
Factor Arrows
2156,567,072
Factor Arrows
278,283,536
Factor Arrows
239,141,768
Factor Arrows
219,570,884
Factor Arrows
29,785,442
Factor Arrows
24,892,721
Factor Arrows
31,630,907
Factor Arrows
2370,909
Factor Arrows
233,083

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, 23, 3083

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 23 x 23 x 3,083 = 313,134,144

This can also be written as 26 x 31 x 232 x 3,0831 = 313,134,144

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


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