LCM for 20 and 160

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What's the Least Common Multiple (LCM) of 20 and 160?

Answer

LCM of 20 and 160 is
160

First common multiples: 160, 320, 480, …

As a common denominator: multiply the top and bottom of x/20 by 8.

20 divides 160 (160 ÷ 20 = 8), so the LCM is the larger number itself.

20 = 22 × 5

160 = 25 × 5

Prime20160Highest power
2222525
5555

LCM = 25 × 5 = 160

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LCM Table

Number 1Number 2LCM
2054540
2055220
2058580
206060
2070140
2075300
2084420
2090180
20100100
20105420
20125500
20135540
20140140
20145580
20150300
20160160
20165660
20170340
20175700
20185740
20190380
20210420
20220220
20225900
20230460
202551,020
202751,100
202851,140
20290580
202951,180

FAQ

What's the Least Common Multiple (LCM) of 20 and 160?

LCM of 20 and 160 is 160

How to find the LCM of 20 and 160 using prime factorization?

To find the LCM of 20 and 160, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 160.

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 20 and 160: LCM = 160, GCF = 20.

See Also