Q: What are the prime factors of the number 1,341,600?

 A: 2, 3, 5, 13, 43

Why are those the prime factors of the number 1,341,600?

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 1,341,600

1,341,600
Factor Arrows
2670,800
Factor Arrows
2335,400
Factor Arrows
2167,700
Factor Arrows
283,850
Factor Arrows
241,925
Factor Arrows
313,975
Factor Arrows
52,795
Factor Arrows
5559
Factor Arrows
1343

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, 13, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 13 x 43 = 1,341,600

This can also be written as 25 x 31 x 52 x 131 x 431 = 1,341,600

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


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