Q: What are the prime factors of the number 603,136?

 A: 2, 19, 31

Why are those the prime factors of the number 603,136?

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 603,136

603,136
Factor Arrows
2301,568
Factor Arrows
2150,784
Factor Arrows
275,392
Factor Arrows
237,696
Factor Arrows
218,848
Factor Arrows
29,424
Factor Arrows
24,712
Factor Arrows
22,356
Factor Arrows
21,178
Factor Arrows
2589
Factor Arrows
1931

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, 19, 31

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 19 x 31 = 603,136

This can also be written as 210 x 191 x 311 = 603,136

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


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