GCF and LCM Calculator Logo

What is the Least Common Multiple of 20655 and 20662?

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 20655 and 20662 is 426773610.

LCM(20655,20662) = 426773610

LCM Calculator and
and

Least Common Multiple of 20655 and 20662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20655 and 20662, than apply into the LCM equation.

GCF(20655,20662) = 1
LCM(20655,20662) = ( 20655 × 20662) / 1
LCM(20655,20662) = 426773610 / 1
LCM(20655,20662) = 426773610

Least Common Multiple (LCM) of 20655 and 20662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20655 and 20662. First we will calculate the prime factors of 20655 and 20662.

Prime Factorization of 20655

Prime factors of 20655 are 3, 5, 17. Prime factorization of 20655 in exponential form is:

20655 = 35 × 51 × 171

Prime Factorization of 20662

Prime factors of 20662 are 2, 10331. Prime factorization of 20662 in exponential form is:

20662 = 21 × 103311

Now multiplying the highest exponent prime factors to calculate the LCM of 20655 and 20662.

LCM(20655,20662) = 35 × 51 × 171 × 21 × 103311
LCM(20655,20662) = 426773610