Q: What are the prime factors of the number 48,235,257?

 A: 3, 7, 4051

Why are those the prime factors of the number 48,235,257?

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 48,235,257

48,235,257
Factor Arrows
316,078,419
Factor Arrows
35,359,473
Factor Arrows
31,786,491
Factor Arrows
3595,497
Factor Arrows
3198,499
Factor Arrows
728,357
Factor Arrows
74,051

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, 7, 4051

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 7 x 4,051 = 48,235,257

This can also be written as 35 x 72 x 4,0511 = 48,235,257

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


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