Q: What are the prime factors of the number 163,294,005?

 A: 3, 5, 7, 43, 59, 613

Why are those the prime factors of the number 163,294,005?

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 163,294,005

163,294,005
Factor Arrows
354,431,335
Factor Arrows
510,886,267
Factor Arrows
71,555,181
Factor Arrows
4336,167
Factor Arrows
59613

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, 7, 43, 59, 613

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 43 x 59 x 613 = 163,294,005

This can also be written as 31 x 51 x 71 x 431 x 591 x 6131 = 163,294,005

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


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