Q: What are the prime factors of the number 78,387,552?

 A: 2, 3, 272179

Why are those the prime factors of the number 78,387,552?

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 78,387,552

78,387,552
Factor Arrows
239,193,776
Factor Arrows
219,596,888
Factor Arrows
29,798,444
Factor Arrows
24,899,222
Factor Arrows
22,449,611
Factor Arrows
3816,537
Factor Arrows
3272,179

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, 272179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 272,179 = 78,387,552

This can also be written as 25 x 32 x 272,1791 = 78,387,552

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


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