Q: What are the prime factors of the number 213,232,210?

 A: 2, 5, 61, 101, 3461

Why are those the prime factors of the number 213,232,210?

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 213,232,210

213,232,210
Factor Arrows
2106,616,105
Factor Arrows
521,323,221
Factor Arrows
61349,561
Factor Arrows
1013,461

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, 5, 61, 101, 3461

We can check our work by multiplying all of the prime factors together: 2 x 5 x 61 x 101 x 3,461 = 213,232,210

This can also be written as 21 x 51 x 611 x 1011 x 3,4611 = 213,232,210

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


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