Q: What are the prime factors of the number 13,842,880?

 A: 2, 5, 181, 239

Why are those the prime factors of the number 13,842,880?

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 13,842,880

13,842,880
Factor Arrows
26,921,440
Factor Arrows
23,460,720
Factor Arrows
21,730,360
Factor Arrows
2865,180
Factor Arrows
2432,590
Factor Arrows
2216,295
Factor Arrows
543,259
Factor Arrows
181239

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, 181, 239

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 5 x 181 x 239 = 13,842,880

This can also be written as 26 x 51 x 1811 x 2391 = 13,842,880

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


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