Q: What are the prime factors of the number 125,316,444?

 A: 2, 3, 11, 193, 4919

Why are those the prime factors of the number 125,316,444?

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 125,316,444

125,316,444
Factor Arrows
262,658,222
Factor Arrows
231,329,111
Factor Arrows
310,443,037
Factor Arrows
11949,367
Factor Arrows
1934,919

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, 193, 4919

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 193 x 4,919 = 125,316,444

This can also be written as 22 x 31 x 111 x 1931 x 4,9191 = 125,316,444

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


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