Q: What are the prime factors of the number 4,860,240?

 A: 2, 3, 5, 7, 11, 263

Why are those the prime factors of the number 4,860,240?

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 4,860,240

4,860,240
Factor Arrows
22,430,120
Factor Arrows
21,215,060
Factor Arrows
2607,530
Factor Arrows
2303,765
Factor Arrows
3101,255
Factor Arrows
520,251
Factor Arrows
72,893
Factor Arrows
11263

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, 7, 11, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 11 x 263 = 4,860,240

This can also be written as 24 x 31 x 51 x 71 x 111 x 2631 = 4,860,240

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


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