Q: What are the prime factors of the number 78,108,344?

 A: 2, 31, 314953

Why are those the prime factors of the number 78,108,344?

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 78,108,344

78,108,344
Factor Arrows
239,054,172
Factor Arrows
219,527,086
Factor Arrows
29,763,543
Factor Arrows
31314,953

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, 314953

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 31 x 314,953 = 78,108,344

This can also be written as 23 x 311 x 314,9531 = 78,108,344

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


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