Find all divisors of 45 and 60. Find all common factors of 45 and 60.

The divisor of this or that number is the number by which the original is divided.

All divisors of 45 are 1, 3, 5, 9, 15, 45.

All divisors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.

Let’s select the common divisors for both numbers. These will be the numbers 1, 3, 5 and 15.

Answer: 1, 3, 5, 15.



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