Q: What are the prime factors of the number 75,312,051?

 A: 3, 23, 31, 137, 257

Why are those the prime factors of the number 75,312,051?

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 75,312,051

75,312,051
Factor Arrows
325,104,017
Factor Arrows
231,091,479
Factor Arrows
3135,209
Factor Arrows
137257

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:

3, 23, 31, 137, 257

We can check our work by multiplying all of the prime factors together: 3 x 23 x 31 x 137 x 257 = 75,312,051

This can also be written as 31 x 231 x 311 x 1371 x 2571 = 75,312,051

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


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