Q: What are the prime factors of the number 220,566,054?

 A: 2, 3, 29, 31, 103, 397

Why are those the prime factors of the number 220,566,054?

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 220,566,054

220,566,054
Factor Arrows
2110,283,027
Factor Arrows
336,761,009
Factor Arrows
291,267,621
Factor Arrows
3140,891
Factor Arrows
103397

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, 29, 31, 103, 397

We can check our work by multiplying all of the prime factors together: 2 x 3 x 29 x 31 x 103 x 397 = 220,566,054

This can also be written as 21 x 31 x 291 x 311 x 1031 x 3971 = 220,566,054

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


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