Q: What are the prime factors of the number 76,242,600?

 A: 2, 3, 5, 7, 2017

Why are those the prime factors of the number 76,242,600?

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 76,242,600

76,242,600
Factor Arrows
238,121,300
Factor Arrows
219,060,650
Factor Arrows
29,530,325
Factor Arrows
33,176,775
Factor Arrows
31,058,925
Factor Arrows
3352,975
Factor Arrows
570,595
Factor Arrows
514,119
Factor Arrows
72,017

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, 7, 2017

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 7 x 2,017 = 76,242,600

This can also be written as 23 x 33 x 52 x 71 x 2,0171 = 76,242,600

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


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