Q: What are the prime factors of the number 51,878,060?

 A: 2, 5, 13, 61, 3271

Why are those the prime factors of the number 51,878,060?

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 51,878,060

51,878,060
Factor Arrows
225,939,030
Factor Arrows
212,969,515
Factor Arrows
52,593,903
Factor Arrows
13199,531
Factor Arrows
613,271

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, 5, 13, 61, 3271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 13 x 61 x 3,271 = 51,878,060

This can also be written as 22 x 51 x 131 x 611 x 3,2711 = 51,878,060

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


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