Q: What are the prime factors of the number 4,252,160?

 A: 2, 5, 11, 151

Why are those the prime factors of the number 4,252,160?

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 4,252,160

4,252,160
Factor Arrows
22,126,080
Factor Arrows
21,063,040
Factor Arrows
2531,520
Factor Arrows
2265,760
Factor Arrows
2132,880
Factor Arrows
266,440
Factor Arrows
233,220
Factor Arrows
216,610
Factor Arrows
28,305
Factor Arrows
51,661
Factor Arrows
11151

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, 5, 11, 151

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 2 x 2 x 2 x 5 x 11 x 151 = 4,252,160

This can also be written as 29 x 51 x 111 x 1511 = 4,252,160

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


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