Q: What are the prime factors of the number 2,740,560?

 A: 2, 3, 5, 19, 601

Why are those the prime factors of the number 2,740,560?

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 2,740,560

2,740,560
Factor Arrows
21,370,280
Factor Arrows
2685,140
Factor Arrows
2342,570
Factor Arrows
2171,285
Factor Arrows
357,095
Factor Arrows
511,419
Factor Arrows
19601

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, 19, 601

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 19 x 601 = 2,740,560

This can also be written as 24 x 31 x 51 x 191 x 6011 = 2,740,560

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


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