Q: What are the prime factors of the number 51,762,780?

 A: 2, 3, 5, 95857

Why are those the prime factors of the number 51,762,780?

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 51,762,780

51,762,780
Factor Arrows
225,881,390
Factor Arrows
212,940,695
Factor Arrows
34,313,565
Factor Arrows
31,437,855
Factor Arrows
3479,285
Factor Arrows
595,857

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, 95857

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 95,857 = 51,762,780

This can also be written as 22 x 33 x 51 x 95,8571 = 51,762,780

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


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