GCF and LCM Calculator Logo

What is the Least Common Multiple of 81627 and 81646?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 81627 and 81646 is 6664518042.

LCM(81627,81646) = 6664518042

LCM Calculator and
and

Least Common Multiple of 81627 and 81646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81627 and 81646, than apply into the LCM equation.

GCF(81627,81646) = 1
LCM(81627,81646) = ( 81627 × 81646) / 1
LCM(81627,81646) = 6664518042 / 1
LCM(81627,81646) = 6664518042

Least Common Multiple (LCM) of 81627 and 81646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81627 and 81646. First we will calculate the prime factors of 81627 and 81646.

Prime Factorization of 81627

Prime factors of 81627 are 3, 7, 13, 23. Prime factorization of 81627 in exponential form is:

81627 = 31 × 71 × 132 × 231

Prime Factorization of 81646

Prime factors of 81646 are 2, 40823. Prime factorization of 81646 in exponential form is:

81646 = 21 × 408231

Now multiplying the highest exponent prime factors to calculate the LCM of 81627 and 81646.

LCM(81627,81646) = 31 × 71 × 132 × 231 × 21 × 408231
LCM(81627,81646) = 6664518042