LCM for 81 and 99

"Least Common Multiple" Calculator
Least Common Multiple of
and

What's the Least Common Multiple (LCM) of 81 and 99?

Answer

LCM of 81 and 99 is
891

First common multiples: 891; 1,782; 2,673; …

891 is divisible by both: 891 ÷ 81 = 11, 891 ÷ 99 = 9 — and 11 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 11 and of y/99 by 9.

81 = 34

99 = 32 × 11

Prime8199Highest power
3343234
11—1111

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

LCM = 34 × 11 = 891

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
81842,268
81856,885
81866,966
81872,349
81887,128
81897,209
8190810
81917,371
81927,452
81932,511
81947,614
81957,695
81962,592
81977,857
81987,938
8199891
811008,100
811018,181
811022,754
811038,343
811048,424
811052,835
811068,586
811078,667
81108324
811098,829
811108,910
811112,997
811129,072
811139,153

FAQ

What's the Least Common Multiple (LCM) of 81 and 99?

LCM of 81 and 99 is 891

How to find the LCM of 81 and 99 using prime factorization?

To find the LCM of 81 and 99, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 891.

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 99: LCM = 891, GCF = 9.

See Also