Q: What are the prime factors of the number 61,230,015?

 A: 3, 5, 7, 11, 41, 431

Why are those the prime factors of the number 61,230,015?

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 61,230,015

61,230,015
Factor Arrows
320,410,005
Factor Arrows
36,803,335
Factor Arrows
51,360,667
Factor Arrows
7194,381
Factor Arrows
1117,671
Factor Arrows
41431

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, 7, 11, 41, 431

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 41 x 431 = 61,230,015

This can also be written as 32 x 51 x 71 x 111 x 411 x 4311 = 61,230,015

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


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