Q: What are the prime factors of the number 124,620,562?

 A: 2, 11, 131, 3931

Why are those the prime factors of the number 124,620,562?

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 124,620,562

124,620,562
Factor Arrows
262,310,281
Factor Arrows
115,664,571
Factor Arrows
11514,961
Factor Arrows
1313,931

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, 11, 131, 3931

We can check our work by multiplying all of the prime factors together: 2 x 11 x 11 x 131 x 3,931 = 124,620,562

This can also be written as 21 x 112 x 1311 x 3,9311 = 124,620,562

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


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