Q: What are the prime factors of the number 213,103,023?

 A: 3, 7, 1637, 6199

Why are those the prime factors of the number 213,103,023?

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 213,103,023

213,103,023
Factor Arrows
371,034,341
Factor Arrows
710,147,763
Factor Arrows
1,6376,199

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, 7, 1637, 6199

We can check our work by multiplying all of the prime factors together: 3 x 7 x 1,637 x 6,199 = 213,103,023

This can also be written as 31 x 71 x 1,6371 x 6,1991 = 213,103,023

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


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