What is the Least Common Multiple of 12402 and 12422?

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 12402 and 12422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12402 and 12422, than apply into the LCM equation.

GCF(12402,12422) = 2
LCM(12402,12422) = ( 12402 × 12422) / 2
LCM(12402,12422) = 154057644 / 2
LCM(12402,12422) = 77028822

Least Common Multiple (LCM) of 12402 and 12422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12402 and 12422. First we will calculate the prime factors of 12402 and 12422.

Prime Factorization of 12402

Prime Factorization of 12422

Now multiplying the highest exponent prime factors to calculate the LCM of 12402 and 12422.

LCM(12402,12422) = 2¹ × 3² × 13¹ × 53¹ × 6211¹
LCM(12402,12422) = 77028822