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The LCM of 15 and 20 is 60. That is the multiple of the combined prime factors of both numbers (2 x 2 x 3 x 5).
The multiples of 15 are 15, 30, 45, 60, and so on. The multiples of 20 are 20, 40, 60, and so on. Thus 60 is the first number that can be made from multiples of both 15 and 20.
Least Common Multiple (LCM) for 15 20 is 60
60
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Which common multiple of 4 and 5 is also a multiple of 15?
The least common multiple of 4 and 5 is 20. The least common multiple of 15 and 20 is 60. (Thus, the least common multiple of 4, 5, and 15 is 60.) Any multiple of 60 will also be a multiple of 4, 5, and 15.
What is the least common multiple of 4 10 20?
The Least Common Multiple (LCM) of 4, 10, and 20 is 20.
What is the least common multiple of 12 20 and 24?
The least common multiple of 12, 20 and 24 is 120.
What is the LCD for the fraction 16 and 20 is?
the LCD of fractions is the least common multiple. So we are looking for the least common multiple of 16 and 20 which is 20. So the Least common denominator is 80
What is the least common multiple of 20 and 52?
The LCM of 20 and 52 is 260. The least common multiple is the product of the two numbers divided by their greatest common factor. The greatest common factor of 20 and 52 is 4, so their least common multiple is 20 x 52 ÷ 4 = 260.
