Q: What are the prime factors of the number 11,367,040?

 A: 2, 5, 17761

Why are those the prime factors of the number 11,367,040?

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 11,367,040

11,367,040
Factor Arrows
25,683,520
Factor Arrows
22,841,760
Factor Arrows
21,420,880
Factor Arrows
2710,440
Factor Arrows
2355,220
Factor Arrows
2177,610
Factor Arrows
288,805
Factor Arrows
517,761

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, 17761

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 5 x 17,761 = 11,367,040

This can also be written as 27 x 51 x 17,7611 = 11,367,040

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


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