What is the Least Common Multiple of 67911 and 67917?

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 of 67911 and 67917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67911 and 67917, than apply into the LCM equation.

GCF(67911,67917) = 3
LCM(67911,67917) = ( 67911 × 67917) / 3
LCM(67911,67917) = 4612311387 / 3
LCM(67911,67917) = 1537437129

Least Common Multiple (LCM) of 67911 and 67917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67911 and 67917. First we will calculate the prime factors of 67911 and 67917.

Prime Factorization of 67911

Prime Factorization of 67917

Now multiplying the highest exponent prime factors to calculate the LCM of 67911 and 67917.

LCM(67911,67917) = 3¹ × 22637¹ × 22639¹
LCM(67911,67917) = 1537437129