LCM for 81 and 126

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What's the Least Common Multiple (LCM) of 81 and 126?

Answer

LCM of 81 and 126 is
1,134

First common multiples: 1,134; 2,268; 3,402; …

1,134 is divisible by both: 1,134 ÷ 81 = 14; 1,134 ÷ 126 = 9 — and 14 and 9 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/81 by 14 and of y/126 by 9.

81 = 34

126 = 2 × 32 × 7

Prime81126Highest power
2—22
3343234
7—77

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

LCM = 2 × 34 × 7 = 1,134

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
811112,997
811129,072
811139,153
811143,078
811159,315
811169,396
811171,053
811189,558
811199,639
811203,240
811219,801
811229,882
811233,321
8112410,044
8112510,125
811261,134
8112710,287
8112810,368
811293,483
8113010,530
8113110,611
811323,564
8113310,773
8113410,854
81135405
8113611,016
8113711,097
811383,726
8113911,259
8114011,340

FAQ

What's the Least Common Multiple (LCM) of 81 and 126?

LCM of 81 and 126 is 1,134

How to find the LCM of 81 and 126 using prime factorization?

To find the LCM of 81 and 126, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,134.

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 81 and 126: LCM = 1,134, GCF = 9.

See Also