Q: What are the prime factors of the number 7,370,880?

 A: 2, 3, 5, 11, 349

Why are those the prime factors of the number 7,370,880?

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 7,370,880

7,370,880
Factor Arrows
23,685,440
Factor Arrows
21,842,720
Factor Arrows
2921,360
Factor Arrows
2460,680
Factor Arrows
2230,340
Factor Arrows
2115,170
Factor Arrows
257,585
Factor Arrows
319,195
Factor Arrows
53,839
Factor Arrows
11349

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, 11, 349

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 3 x 5 x 11 x 349 = 7,370,880

This can also be written as 27 x 31 x 51 x 111 x 3491 = 7,370,880

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


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