Q: What are the prime factors of the number 220,225,674?

 A: 2, 3, 31, 191, 6199

Why are those the prime factors of the number 220,225,674?

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 220,225,674

220,225,674
Factor Arrows
2110,112,837
Factor Arrows
336,704,279
Factor Arrows
311,184,009
Factor Arrows
1916,199

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, 3, 31, 191, 6199

We can check our work by multiplying all of the prime factors together: 2 x 3 x 31 x 191 x 6,199 = 220,225,674

This can also be written as 21 x 31 x 311 x 1911 x 6,1991 = 220,225,674

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


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