Q: What are the prime factors of the number 211,000,152?

 A: 2, 3, 11, 67, 79, 151

Why are those the prime factors of the number 211,000,152?

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 211,000,152

211,000,152
Factor Arrows
2105,500,076
Factor Arrows
252,750,038
Factor Arrows
226,375,019
Factor Arrows
38,791,673
Factor Arrows
11799,243
Factor Arrows
6711,929
Factor Arrows
79151

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, 11, 67, 79, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 67 x 79 x 151 = 211,000,152

This can also be written as 23 x 31 x 111 x 671 x 791 x 1511 = 211,000,152

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


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