Q: What are the prime factors of the number 603,418,464?

 A: 2, 3, 11, 173, 367

Why are those the prime factors of the number 603,418,464?

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 603,418,464

603,418,464
Factor Arrows
2301,709,232
Factor Arrows
2150,854,616
Factor Arrows
275,427,308
Factor Arrows
237,713,654
Factor Arrows
218,856,827
Factor Arrows
36,285,609
Factor Arrows
32,095,203
Factor Arrows
3698,401
Factor Arrows
1163,491
Factor Arrows
173367

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, 11, 173, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 173 x 367 = 603,418,464

This can also be written as 25 x 33 x 111 x 1731 x 3671 = 603,418,464

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


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