Q: What are the prime factors of the number 84,153,244?

 A: 2, 7, 29, 37, 2801

Why are those the prime factors of the number 84,153,244?

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 84,153,244

84,153,244
Factor Arrows
242,076,622
Factor Arrows
221,038,311
Factor Arrows
73,005,473
Factor Arrows
29103,637
Factor Arrows
372,801

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, 7, 29, 37, 2801

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 29 x 37 x 2,801 = 84,153,244

This can also be written as 22 x 71 x 291 x 371 x 2,8011 = 84,153,244

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


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