LCM for 9 and 43

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What's the Least Common Multiple (LCM) of 9 and 43?

Answer

LCM of 9 and 43 is
387

First common multiples: 387; 774; 1,161; …

387 is divisible by both: 387 ÷ 9 = 43, 387 ÷ 43 = 9 — and 43 and 9 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/9 by 43 and of y/43 by 9.

9 and 43 are coprime (GCF = 1), so their LCM is simply the product: 9 × 43 = 387.

9 = 32

43 — prime

Prime943Highest power
332—32
43—4343

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

LCM = 32 × 43 = 387

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LCM Table

Number 1Number 2LCM
92163
922198
92472
925225
92727
928252
929261
93090
932288
93399
935315
93636
938342
939117
940360
941369
943387
944396
94545
946414
948144
950450
951153
952468
95454
959531
96363
9100900
91211,089
9132396

FAQ

What's the Least Common Multiple (LCM) of 9 and 43?

LCM of 9 and 43 is 387

How to find the LCM of 9 and 43 using prime factorization?

To find the LCM of 9 and 43, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 387.

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 9 and 43: LCM = 387, GCF = 1.

See Also