Q: What are the prime factors of the number 403,111,044?

 A: 2, 3, 7, 228521

Why are those the prime factors of the number 403,111,044?

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 403,111,044

403,111,044
Factor Arrows
2201,555,522
Factor Arrows
2100,777,761
Factor Arrows
333,592,587
Factor Arrows
311,197,529
Factor Arrows
71,599,647
Factor Arrows
7228,521

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, 228521

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 7 x 228,521 = 403,111,044

This can also be written as 22 x 32 x 72 x 228,5211 = 403,111,044

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


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