LCM for 80 and 200

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What's the Least Common Multiple (LCM) of 80 and 200?

Answer

LCM of 80 and 200 is
400

First common multiples: 400; 800; 1,200; …

400 is divisible by both: 400 ÷ 80 = 5, 400 ÷ 200 = 2 — and 5 and 2 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/80 by 5 and of y/200 by 2.

80 = 24 × 5

200 = 23 × 52

Prime80200Highest power
2242324
555252

LCM = 24 × 52 = 400

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LCM Table

Number 1Number 2LCM
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
803502,800
803555,680
803956,320

FAQ

What's the Least Common Multiple (LCM) of 80 and 200?

LCM of 80 and 200 is 400

How to find the LCM of 80 and 200 using prime factorization?

To find the LCM of 80 and 200, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 400.

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 200: LCM = 400, GCF = 40.

See Also