Q: What are the prime factors of the number 222,351,000?

 A: 2, 3, 5, 137, 541

Why are those the prime factors of the number 222,351,000?

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 222,351,000

222,351,000
Factor Arrows
2111,175,500
Factor Arrows
255,587,750
Factor Arrows
227,793,875
Factor Arrows
39,264,625
Factor Arrows
51,852,925
Factor Arrows
5370,585
Factor Arrows
574,117
Factor Arrows
137541

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, 5, 137, 541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 5 x 137 x 541 = 222,351,000

This can also be written as 23 x 31 x 53 x 1371 x 5411 = 222,351,000

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


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