Q: What are the prime factors of the number 32,515,040?

 A: 2, 5, 103, 1973

Why are those the prime factors of the number 32,515,040?

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 32,515,040

32,515,040
Factor Arrows
216,257,520
Factor Arrows
28,128,760
Factor Arrows
24,064,380
Factor Arrows
22,032,190
Factor Arrows
21,016,095
Factor Arrows
5203,219
Factor Arrows
1031,973

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, 103, 1973

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 103 x 1,973 = 32,515,040

This can also be written as 25 x 51 x 1031 x 1,9731 = 32,515,040

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


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