Q: What are the prime factors of the number 551,215,334?

 A: 2, 193, 389, 3671

Why are those the prime factors of the number 551,215,334?

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 551,215,334

551,215,334
Factor Arrows
2275,607,667
Factor Arrows
1931,428,019
Factor Arrows
3893,671

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, 193, 389, 3671

We can check our work by multiplying all of the prime factors together: 2 x 193 x 389 x 3,671 = 551,215,334

This can also be written as 21 x 1931 x 3891 x 3,6711 = 551,215,334

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


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