Q: What are the prime factors of the number 34,430,240?

 A: 2, 5, 13, 16553

Why are those the prime factors of the number 34,430,240?

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 34,430,240

34,430,240
Factor Arrows
217,215,120
Factor Arrows
28,607,560
Factor Arrows
24,303,780
Factor Arrows
22,151,890
Factor Arrows
21,075,945
Factor Arrows
5215,189
Factor Arrows
1316,553

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, 16553

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 13 x 16,553 = 34,430,240

This can also be written as 25 x 51 x 131 x 16,5531 = 34,430,240

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


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