GCF and LCM Calculator Logo

What is the Least Common Multiple of 68190 and 68208?

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 68190 and 68208 is 775183920.

LCM(68190,68208) = 775183920

LCM Calculator and
and

Least Common Multiple of 68190 and 68208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68190 and 68208, than apply into the LCM equation.

GCF(68190,68208) = 6
LCM(68190,68208) = ( 68190 × 68208) / 6
LCM(68190,68208) = 4651103520 / 6
LCM(68190,68208) = 775183920

Least Common Multiple (LCM) of 68190 and 68208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68190 and 68208. First we will calculate the prime factors of 68190 and 68208.

Prime Factorization of 68190

Prime factors of 68190 are 2, 3, 5, 2273. Prime factorization of 68190 in exponential form is:

68190 = 21 × 31 × 51 × 22731

Prime Factorization of 68208

Prime factors of 68208 are 2, 3, 7, 29. Prime factorization of 68208 in exponential form is:

68208 = 24 × 31 × 72 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 68190 and 68208.

LCM(68190,68208) = 24 × 31 × 51 × 22731 × 72 × 291
LCM(68190,68208) = 775183920