Q: What are the prime factors of the number 603,521,436?

 A: 2, 3, 7, 29, 35393

Why are those the prime factors of the number 603,521,436?

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 603,521,436

603,521,436
Factor Arrows
2301,760,718
Factor Arrows
2150,880,359
Factor Arrows
350,293,453
Factor Arrows
77,184,779
Factor Arrows
71,026,397
Factor Arrows
2935,393

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, 3, 7, 29, 35393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 29 x 35,393 = 603,521,436

This can also be written as 22 x 31 x 72 x 291 x 35,3931 = 603,521,436

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


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