LCM for 90 and 165

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What's the Least Common Multiple (LCM) of 90 and 165?

Answer

LCM of 90 and 165 is
990

First common multiples: 990; 1,980; 2,970; …

990 is divisible by both: 990 ÷ 90 = 11, 990 ÷ 165 = 6 — and 11 and 6 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/90 by 11 and of y/165 by 6.

90 = 2 × 32 × 5

165 = 3 × 5 × 11

Prime90165Highest power
22—2
332332
5555
11—1111

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 2 × 32 × 5 × 11 = 990

See Also

FAQ

What's the Least Common Multiple (LCM) of 90 and 165?

LCM of 90 and 165 is 990

How to find the LCM of 90 and 165 using prime factorization?

To find the LCM of 90 and 165, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 990.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 90 and 165: LCM = 990, GCF = 15.