Q: What are the prime factors of the number 610,221,216?

 A: 2, 3, 11, 353, 1637

Why are those the prime factors of the number 610,221,216?

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 610,221,216

610,221,216
Factor Arrows
2305,110,608
Factor Arrows
2152,555,304
Factor Arrows
276,277,652
Factor Arrows
238,138,826
Factor Arrows
219,069,413
Factor Arrows
36,356,471
Factor Arrows
11577,861
Factor Arrows
3531,637

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, 353, 1637

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 11 x 353 x 1,637 = 610,221,216

This can also be written as 25 x 31 x 111 x 3531 x 1,6371 = 610,221,216

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


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