Q: What are the prime factors of the number 486,827,385?

 A: 3, 5, 11, 17, 197, 881

Why are those the prime factors of the number 486,827,385?

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 486,827,385

486,827,385
Factor Arrows
3162,275,795
Factor Arrows
532,455,159
Factor Arrows
112,950,469
Factor Arrows
17173,557
Factor Arrows
197881

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, 5, 11, 17, 197, 881

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 17 x 197 x 881 = 486,827,385

This can also be written as 31 x 51 x 111 x 171 x 1971 x 8811 = 486,827,385

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


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