Q: What are the prime factors of the number 5,202,240?

 A: 2, 3, 5, 5419

Why are those the prime factors of the number 5,202,240?

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 5,202,240

5,202,240
Factor Arrows
22,601,120
Factor Arrows
21,300,560
Factor Arrows
2650,280
Factor Arrows
2325,140
Factor Arrows
2162,570
Factor Arrows
281,285
Factor Arrows
327,095
Factor Arrows
55,419

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, 5419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5,419 = 5,202,240

This can also be written as 26 x 31 x 51 x 5,4191 = 5,202,240

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


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