Q: What are the prime factors of the number 212,031,429?

 A: 3, 17, 47, 53, 1669

Why are those the prime factors of the number 212,031,429?

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 212,031,429

212,031,429
Factor Arrows
370,677,143
Factor Arrows
174,157,479
Factor Arrows
4788,457
Factor Arrows
531,669

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:

3, 17, 47, 53, 1669

We can check our work by multiplying all of the prime factors together: 3 x 17 x 47 x 53 x 1,669 = 212,031,429

This can also be written as 31 x 171 x 471 x 531 x 1,6691 = 212,031,429

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


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