Q: What are the prime factors of the number 146,055,663?

 A: 3, 13, 31, 433

Why are those the prime factors of the number 146,055,663?

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 146,055,663

146,055,663
Factor Arrows
348,685,221
Factor Arrows
316,228,407
Factor Arrows
35,409,469
Factor Arrows
13416,113
Factor Arrows
3113,423
Factor Arrows
31433

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, 13, 31, 433

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 31 x 31 x 433 = 146,055,663

This can also be written as 33 x 131 x 312 x 4331 = 146,055,663

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


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