Q: What are the prime factors of the number 1,842,960?

 A: 2, 3, 5, 7, 1097

Why are those the prime factors of the number 1,842,960?

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 1,842,960

1,842,960
Factor Arrows
2921,480
Factor Arrows
2460,740
Factor Arrows
2230,370
Factor Arrows
2115,185
Factor Arrows
338,395
Factor Arrows
57,679
Factor Arrows
71,097

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, 1097

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 1,097 = 1,842,960

This can also be written as 24 x 31 x 51 x 71 x 1,0971 = 1,842,960

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


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