Q: What are the prime factors of the number 53,488,125?

 A: 3, 5, 37, 257

Why are those the prime factors of the number 53,488,125?

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 53,488,125

53,488,125
Factor Arrows
317,829,375
Factor Arrows
35,943,125
Factor Arrows
51,188,625
Factor Arrows
5237,725
Factor Arrows
547,545
Factor Arrows
59,509
Factor Arrows
37257

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:

3, 5, 37, 257

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 5 x 37 x 257 = 53,488,125

This can also be written as 32 x 54 x 371 x 2571 = 53,488,125

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


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