Q: What are the prime factors of the number 624,126,136?

 A: 2, 19, 61, 83, 811

Why are those the prime factors of the number 624,126,136?

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 624,126,136

624,126,136
Factor Arrows
2312,063,068
Factor Arrows
2156,031,534
Factor Arrows
278,015,767
Factor Arrows
194,106,093
Factor Arrows
6167,313
Factor Arrows
83811

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, 19, 61, 83, 811

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 61 x 83 x 811 = 624,126,136

This can also be written as 23 x 191 x 611 x 831 x 8111 = 624,126,136

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


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