Q: What are the prime factors of the number 34,407,040?

 A: 2, 5, 37, 1453

Why are those the prime factors of the number 34,407,040?

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 34,407,040

34,407,040
Factor Arrows
217,203,520
Factor Arrows
28,601,760
Factor Arrows
24,300,880
Factor Arrows
22,150,440
Factor Arrows
21,075,220
Factor Arrows
2537,610
Factor Arrows
2268,805
Factor Arrows
553,761
Factor Arrows
371,453

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, 37, 1453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 37 x 1,453 = 34,407,040

This can also be written as 27 x 51 x 371 x 1,4531 = 34,407,040

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


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