Q: What are the prime factors of the number 202,100,222?

 A: 2, 31, 71, 1481

Why are those the prime factors of the number 202,100,222?

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 202,100,222

202,100,222
Factor Arrows
2101,050,111
Factor Arrows
313,259,681
Factor Arrows
31105,151
Factor Arrows
711,481

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, 31, 71, 1481

We can check our work by multiplying all of the prime factors together: 2 x 31 x 31 x 71 x 1,481 = 202,100,222

This can also be written as 21 x 312 x 711 x 1,4811 = 202,100,222

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


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