GCF and LCM Calculator Logo

What is the Least Common Multiple of 81491 and 81502?

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 81491 and 81502 is 6641679482.

LCM(81491,81502) = 6641679482

LCM Calculator and
and

Least Common Multiple of 81491 and 81502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81491 and 81502, than apply into the LCM equation.

GCF(81491,81502) = 1
LCM(81491,81502) = ( 81491 × 81502) / 1
LCM(81491,81502) = 6641679482 / 1
LCM(81491,81502) = 6641679482

Least Common Multiple (LCM) of 81491 and 81502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81491 and 81502. First we will calculate the prime factors of 81491 and 81502.

Prime Factorization of 81491

Prime factors of 81491 are 19, 4289. Prime factorization of 81491 in exponential form is:

81491 = 191 × 42891

Prime Factorization of 81502

Prime factors of 81502 are 2, 40751. Prime factorization of 81502 in exponential form is:

81502 = 21 × 407511

Now multiplying the highest exponent prime factors to calculate the LCM of 81491 and 81502.

LCM(81491,81502) = 191 × 42891 × 21 × 407511
LCM(81491,81502) = 6641679482