Q: What are the prime factors of the number 103,033,440?

 A: 2, 3, 5, 71551

Why are those the prime factors of the number 103,033,440?

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 103,033,440

103,033,440
Factor Arrows
251,516,720
Factor Arrows
225,758,360
Factor Arrows
212,879,180
Factor Arrows
26,439,590
Factor Arrows
23,219,795
Factor Arrows
31,073,265
Factor Arrows
3357,755
Factor Arrows
571,551

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, 5, 71551

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 5 x 71,551 = 103,033,440

This can also be written as 25 x 32 x 51 x 71,5511 = 103,033,440

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


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