The HCF & LCM of two numbers are 15 & 60 respectively.If one number is a multiple of other, then numbers are?
1 & 900
20 & 45
30 & 30
None of these
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LCM of 15 and 60
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LCM of 15 and 60 is the smallest number among all common multiples of 15 and 60. The first few multiples of 15 and 60 are (15, 30, 45, 60, 75, . . . ) and (60, 120, 180, 240, 300, 360, . . . ) respectively. There are 3 commonly used methods to find LCM of 15 and 60 - by division method, by prime factorization, and by listing multiples.
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