Q: What are the prime factors of the number 1,937,880?

 A: 2, 3, 5, 7, 769

Why are those the prime factors of the number 1,937,880?

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 1,937,880

1,937,880
Factor Arrows
2968,940
Factor Arrows
2484,470
Factor Arrows
2242,235
Factor Arrows
380,745
Factor Arrows
326,915
Factor Arrows
55,383
Factor Arrows
7769

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, 769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 7 x 769 = 1,937,880

This can also be written as 23 x 32 x 51 x 71 x 7691 = 1,937,880

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


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