LCM for 27 and 90

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What's the Least Common Multiple (LCM) of 27 and 90?

Answer

LCM of 27 and 90 is
270

First common multiples: 270, 540, 810, …

270 is divisible by both: 270 ÷ 27 = 10, 270 ÷ 90 = 3 — and 10 and 3 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/27 by 10 and of y/90 by 3.

27 = 33

90 = 2 × 32 × 5

Prime2790Highest power
2—22
3333233
5—55

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

LCM = 2 × 33 × 5 = 270

See Also

FAQ

What's the Least Common Multiple (LCM) of 27 and 90?

LCM of 27 and 90 is 270

How to find the LCM of 27 and 90 using prime factorization?

To find the LCM of 27 and 90, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 270.

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 27 and 90: LCM = 270, GCF = 9.