Q: What are the prime factors of the number 616,007,168?

 A: 2, 7, 171877

Why are those the prime factors of the number 616,007,168?

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 616,007,168

616,007,168
Factor Arrows
2308,003,584
Factor Arrows
2154,001,792
Factor Arrows
277,000,896
Factor Arrows
238,500,448
Factor Arrows
219,250,224
Factor Arrows
29,625,112
Factor Arrows
24,812,556
Factor Arrows
22,406,278
Factor Arrows
21,203,139
Factor Arrows
7171,877

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, 171877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 171,877 = 616,007,168

This can also be written as 29 x 71 x 171,8771 = 616,007,168

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


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