Q: What are the prime factors of the number 603,303,386?

 A: 2, 7, 23, 38237

Why are those the prime factors of the number 603,303,386?

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 603,303,386

603,303,386
Factor Arrows
2301,651,693
Factor Arrows
743,093,099
Factor Arrows
76,156,157
Factor Arrows
7879,451
Factor Arrows
2338,237

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, 7, 23, 38237

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 23 x 38,237 = 603,303,386

This can also be written as 21 x 73 x 231 x 38,2371 = 603,303,386

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


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