Q: What are the prime factors of the number 118,440,564?

 A: 2, 3, 11, 17, 47, 1123

Why are those the prime factors of the number 118,440,564?

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 118,440,564

118,440,564
Factor Arrows
259,220,282
Factor Arrows
229,610,141
Factor Arrows
39,870,047
Factor Arrows
11897,277
Factor Arrows
1752,781
Factor Arrows
471,123

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, 3, 11, 17, 47, 1123

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 17 x 47 x 1,123 = 118,440,564

This can also be written as 22 x 31 x 111 x 171 x 471 x 1,1231 = 118,440,564

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


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