Q: What are the prime factors of the number 265,630,120?

 A: 2, 5, 7, 439, 2161

Why are those the prime factors of the number 265,630,120?

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 265,630,120

265,630,120
Factor Arrows
2132,815,060
Factor Arrows
266,407,530
Factor Arrows
233,203,765
Factor Arrows
56,640,753
Factor Arrows
7948,679
Factor Arrows
4392,161

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, 5, 7, 439, 2161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 439 x 2,161 = 265,630,120

This can also be written as 23 x 51 x 71 x 4391 x 2,1611 = 265,630,120

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


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