Q: What are the prime factors of the number 61,564,374?

 A: 2, 3, 37, 10271

Why are those the prime factors of the number 61,564,374?

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 61,564,374

61,564,374
Factor Arrows
230,782,187
Factor Arrows
310,260,729
Factor Arrows
33,420,243
Factor Arrows
31,140,081
Factor Arrows
3380,027
Factor Arrows
3710,271

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, 3, 37, 10271

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 37 x 10,271 = 61,564,374

This can also be written as 21 x 34 x 371 x 10,2711 = 61,564,374

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


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