Q: What are the prime factors of the number 49,462,784?

 A: 2, 7, 37, 373

Why are those the prime factors of the number 49,462,784?

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 49,462,784

49,462,784
Factor Arrows
224,731,392
Factor Arrows
212,365,696
Factor Arrows
26,182,848
Factor Arrows
23,091,424
Factor Arrows
21,545,712
Factor Arrows
2772,856
Factor Arrows
2386,428
Factor Arrows
2193,214
Factor Arrows
296,607
Factor Arrows
713,801
Factor Arrows
37373

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, 37, 373

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 2 x 2 x 7 x 37 x 373 = 49,462,784

This can also be written as 29 x 71 x 371 x 3731 = 49,462,784

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


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