Q: What are the prime factors of the number 78,158,504?

 A: 2, 37, 71, 3719

Why are those the prime factors of the number 78,158,504?

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 78,158,504

78,158,504
Factor Arrows
239,079,252
Factor Arrows
219,539,626
Factor Arrows
29,769,813
Factor Arrows
37264,049
Factor Arrows
713,719

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, 37, 71, 3719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 37 x 71 x 3,719 = 78,158,504

This can also be written as 23 x 371 x 711 x 3,7191 = 78,158,504

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


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