Q: What are the prime factors of the number 245,204,127?

 A: 3, 7, 23, 197, 859

Why are those the prime factors of the number 245,204,127?

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 245,204,127

245,204,127
Factor Arrows
381,734,709
Factor Arrows
327,244,903
Factor Arrows
73,892,129
Factor Arrows
23169,223
Factor Arrows
197859

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, 23, 197, 859

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 23 x 197 x 859 = 245,204,127

This can also be written as 32 x 71 x 231 x 1971 x 8591 = 245,204,127

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


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