Q: What are the prime factors of the number 163,341,563?

 A: 7, 11, 43, 49333

Why are those the prime factors of the number 163,341,563?

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 163,341,563

163,341,563
Factor Arrows
723,334,509
Factor Arrows
112,121,319
Factor Arrows
4349,333

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:

7, 11, 43, 49333

We can check our work by multiplying all of the prime factors together: 7 x 11 x 43 x 49,333 = 163,341,563

This can also be written as 71 x 111 x 431 x 49,3331 = 163,341,563

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


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