LCM for 18 and 37

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What's the Least Common Multiple (LCM) of 18 and 37?

Answer

LCM of 18 and 37 is
666

First common multiples: 666; 1,332; 1,998; …

666 is divisible by both: 666 ÷ 18 = 37, 666 ÷ 37 = 18 — and 37 and 18 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/18 by 37 and of y/37 by 18.

18 and 37 are coprime (GCF = 1), so their LCM is simply the product: 18 × 37 = 666.

18 = 2 × 32

37 — prime

Prime1837Highest power
22—2
332—32
37—3737

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

LCM = 2 × 32 × 37 = 666

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LCM Table

Number 1Number 2LCM
181590
1819342
1820180
1821126
1822198
182472
1825450
1826234
182754
1828252
183090
1831558
1832288
1835630
183636
1837666
1838342
1839234
1840360
1841738
1842126
184590
1848144
1849882
1852468
185454
1856504
1857342
18591,062
1860180

FAQ

What's the Least Common Multiple (LCM) of 18 and 37?

LCM of 18 and 37 is 666

How to find the LCM of 18 and 37 using prime factorization?

To find the LCM of 18 and 37, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 666.

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 18 and 37: LCM = 666, GCF = 1.

See Also