LCM for 5 and 43

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What's the Least Common Multiple (LCM) of 5 and 43?

Answer

LCM of 5 and 43 is
215

First common multiples: 215, 430, 645, …

215 is divisible by both: 215 ÷ 5 = 43, 215 ÷ 43 = 5 — and 43 and 5 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/5 by 43 and of y/43 by 5.

5 and 43 are coprime (GCF = 1), so their LCM is simply the product: 5 × 43 = 215.

5 — prime

43 — prime

Prime543Highest power
55—5
43—4343

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

LCM = 5 × 43 = 215

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LCM Table

Number 1Number 2LCM
51890
51995
52020
521105
522110
524120
52525
526130
527135
53030
531155
532160
53535
539195
54040
543215
544220
54545
546230
548240
55050
551255
55555
558290
559295
56060
56565
57070
57575
58080

FAQ

What's the Least Common Multiple (LCM) of 5 and 43?

LCM of 5 and 43 is 215

How to find the LCM of 5 and 43 using prime factorization?

To find the LCM of 5 and 43, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 215.

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 5 and 43: LCM = 215, GCF = 1.

See Also