Q: What are the prime factors of the number 245,334,225?

 A: 3, 5, 17, 317, 607

Why are those the prime factors of the number 245,334,225?

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 245,334,225

245,334,225
Factor Arrows
381,778,075
Factor Arrows
516,355,615
Factor Arrows
53,271,123
Factor Arrows
17192,419
Factor Arrows
317607

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, 5, 17, 317, 607

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 17 x 317 x 607 = 245,334,225

This can also be written as 31 x 52 x 171 x 3171 x 6071 = 245,334,225

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


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