Q: What are the prime factors of the number 363,142,136?

 A: 2, 7, 19, 48757

Why are those the prime factors of the number 363,142,136?

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 363,142,136

363,142,136
Factor Arrows
2181,571,068
Factor Arrows
290,785,534
Factor Arrows
245,392,767
Factor Arrows
76,484,681
Factor Arrows
7926,383
Factor Arrows
1948,757

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, 7, 19, 48757

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 19 x 48,757 = 363,142,136

This can also be written as 23 x 72 x 191 x 48,7571 = 363,142,136

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


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