Q: What are the prime factors of the number 125,076,474?

 A: 2, 3, 61, 4219

Why are those the prime factors of the number 125,076,474?

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 125,076,474

125,076,474
Factor Arrows
262,538,237
Factor Arrows
320,846,079
Factor Arrows
36,948,693
Factor Arrows
32,316,231
Factor Arrows
3772,077
Factor Arrows
3257,359
Factor Arrows
614,219

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, 61, 4219

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 61 x 4,219 = 125,076,474

This can also be written as 21 x 35 x 611 x 4,2191 = 125,076,474

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


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