Q: What are the prime factors of the number 35,479,257?

 A: 3, 11, 43, 2273

Why are those the prime factors of the number 35,479,257?

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 35,479,257

35,479,257
Factor Arrows
311,826,419
Factor Arrows
111,075,129
Factor Arrows
1197,739
Factor Arrows
432,273

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, 11, 43, 2273

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 43 x 2,273 = 35,479,257

This can also be written as 31 x 112 x 431 x 2,2731 = 35,479,257

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


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