What is the Least Common Multiple of 68421 and 68433?

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 68421 and 68433 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68421 and 68433, than apply into the LCM equation.

GCF(68421,68433) = 3
LCM(68421,68433) = ( 68421 × 68433) / 3
LCM(68421,68433) = 4682254293 / 3
LCM(68421,68433) = 1560751431

Least Common Multiple (LCM) of 68421 and 68433 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68421 and 68433. First we will calculate the prime factors of 68421 and 68433.

Prime Factorization of 68421

Prime Factorization of 68433

Now multiplying the highest exponent prime factors to calculate the LCM of 68421 and 68433.

LCM(68421,68433) = 3¹ × 22807¹ × 22811¹
LCM(68421,68433) = 1560751431