GCF and LCM Calculator Logo

What is the Least Common Multiple of 81218 and 81235?

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 81218 and 81235 is 6597744230.

LCM(81218,81235) = 6597744230

LCM Calculator and
and

Least Common Multiple of 81218 and 81235 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81218 and 81235, than apply into the LCM equation.

GCF(81218,81235) = 1
LCM(81218,81235) = ( 81218 × 81235) / 1
LCM(81218,81235) = 6597744230 / 1
LCM(81218,81235) = 6597744230

Least Common Multiple (LCM) of 81218 and 81235 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81218 and 81235. First we will calculate the prime factors of 81218 and 81235.

Prime Factorization of 81218

Prime factors of 81218 are 2, 40609. Prime factorization of 81218 in exponential form is:

81218 = 21 × 406091

Prime Factorization of 81235

Prime factors of 81235 are 5, 7, 11, 211. Prime factorization of 81235 in exponential form is:

81235 = 51 × 71 × 111 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 81218 and 81235.

LCM(81218,81235) = 21 × 406091 × 51 × 71 × 111 × 2111
LCM(81218,81235) = 6597744230