Q: What are the prime factors of the number 126,774,750?

 A: 2, 3, 5, 43, 3931

Why are those the prime factors of the number 126,774,750?

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 126,774,750

126,774,750
Factor Arrows
263,387,375
Factor Arrows
321,129,125
Factor Arrows
54,225,825
Factor Arrows
5845,165
Factor Arrows
5169,033
Factor Arrows
433,931

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, 3, 5, 43, 3931

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 43 x 3,931 = 126,774,750

This can also be written as 21 x 31 x 53 x 431 x 3,9311 = 126,774,750

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


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