LCM for 80 and 160

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What's the Least Common Multiple (LCM) of 80 and 160?

Answer

LCM of 80 and 160 is
160

First common multiples: 160, 320, 480, …

As a common denominator: multiply the top and bottom of x/80 by 2.

80 divides 160 (160 ÷ 80 = 2), so the LCM is the larger number itself.

80 = 24 × 5

160 = 25 × 5

Prime80160Highest power
2242525
5555

LCM = 25 × 5 = 160

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LCM Table

Number 1Number 2LCM
802080
80841,680
8090720
8096480
80112560
801151,840
80120240
801301,040
80144720
801452,320
801501,200
801552,480
80160160
801652,640
801752,800
80180720
801852,960
801953,120
80200400
802053,280
802101,680
802153,440
802301,840
802453,920
802554,080
802754,400
802854,560
802902,320
803001,200
803255,200

FAQ

What's the Least Common Multiple (LCM) of 80 and 160?

LCM of 80 and 160 is 160

How to find the LCM of 80 and 160 using prime factorization?

To find the LCM of 80 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 80 and 160: LCM = 160, GCF = 80.

See Also