Q: What are the prime factors of the number 1,751,760?

 A: 2, 3, 5, 811

Why are those the prime factors of the number 1,751,760?

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 1,751,760

1,751,760
Factor Arrows
2875,880
Factor Arrows
2437,940
Factor Arrows
2218,970
Factor Arrows
2109,485
Factor Arrows
336,495
Factor Arrows
312,165
Factor Arrows
34,055
Factor Arrows
5811

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, 811

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 811 = 1,751,760

This can also be written as 24 x 33 x 51 x 8111 = 1,751,760

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


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