Q: What are the prime factors of the number 57,881,733?

 A: 3, 7, 13, 19, 11159

Why are those the prime factors of the number 57,881,733?

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 57,881,733

57,881,733
Factor Arrows
319,293,911
Factor Arrows
72,756,273
Factor Arrows
13212,021
Factor Arrows
1911,159

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:

3, 7, 13, 19, 11159

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 19 x 11,159 = 57,881,733

This can also be written as 31 x 71 x 131 x 191 x 11,1591 = 57,881,733

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


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