15 and 30 are common multiples of 3 and 5.
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The LCM or least common multiple of 3 and 5 is 15.The GCF or greatest common factor of 3 and 5 is 1.
To find the greatest common factor (GCF) of 57, 39, and 15, we need to first find the factors of each number. The factors of 57 are 1, 3, 19, and 57. The factors of 39 are 1, 3, 13, and 39. The factors of 15 are 1, 3, 5, and 15. The common factor among all three numbers is 3, making it the greatest common factor.
3 is not a factor of 125, common or otherwise.
To start with the 3 common multiples of 5 they are........10,15,and 25the 3 common multiples of 3 are.........15,30,and 45hope this helped=)
Fifteen is the least common multiple of three and five. 3 * 5 = 15 5 * 3 = 15