LCM for 64 and 121

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What's the Least Common Multiple (LCM) of 64 and 121?

Answer

LCM of 64 and 121 is
7,744

First common multiples: 7,744; 15,488; 23,232; …

7,744 is divisible by both: 7,744 ÷ 64 = 121; 7,744 ÷ 121 = 64 — and 121 and 64 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/64 by 121 and of y/121 by 64.

64 and 121 are coprime (GCF = 1), so their LCM is simply the product: 64 × 121 = 7,744.

64 = 26

121 = 112

Prime64121Highest power
226—26
11—112112

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

LCM = 26 × 112 = 7,744

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
641063,392
641076,848
641081,728
641096,976
641103,520
641117,104
64112448
641137,232
641143,648
641157,360
641161,856
641177,488
641183,776
641197,616
64120960
641217,744
641223,904
641237,872
641241,984
641258,000
641264,032
641278,128
64128128
641298,256
641304,160
641318,384
641322,112
641338,512
641344,288
641358,640

FAQ

What's the Least Common Multiple (LCM) of 64 and 121?

LCM of 64 and 121 is 7,744

How to find the LCM of 64 and 121 using prime factorization?

To find the LCM of 64 and 121, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 7,744.

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 64 and 121: LCM = 7,744, GCF = 1.

See Also