Q: What are the prime factors of the number 146,056,260?

 A: 2, 3, 5, 7, 47, 151

Why are those the prime factors of the number 146,056,260?

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 146,056,260

146,056,260
Factor Arrows
273,028,130
Factor Arrows
236,514,065
Factor Arrows
312,171,355
Factor Arrows
52,434,271
Factor Arrows
7347,753
Factor Arrows
749,679
Factor Arrows
77,097
Factor Arrows
47151

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, 5, 7, 47, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 7 x 7 x 47 x 151 = 146,056,260

This can also be written as 22 x 31 x 51 x 73 x 471 x 1511 = 146,056,260

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


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