Q: What are the prime factors of the number 435,760?

 A: 2, 5, 13, 419

Why are those the prime factors of the number 435,760?

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 435,760

435,760
Factor Arrows
2217,880
Factor Arrows
2108,940
Factor Arrows
254,470
Factor Arrows
227,235
Factor Arrows
55,447
Factor Arrows
13419

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, 13, 419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 419 = 435,760

This can also be written as 24 x 51 x 131 x 4191 = 435,760

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


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