Q: What are the prime factors of the number 257,400,226?

 A: 2, 233, 541, 1021

Why are those the prime factors of the number 257,400,226?

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 257,400,226

257,400,226
Factor Arrows
2128,700,113
Factor Arrows
233552,361
Factor Arrows
5411,021

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, 233, 541, 1021

We can check our work by multiplying all of the prime factors together: 2 x 233 x 541 x 1,021 = 257,400,226

This can also be written as 21 x 2331 x 5411 x 1,0211 = 257,400,226

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


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