What is the Least Common Multiple of 2406 and 2422?

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 2406 and 2422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2406 and 2422, than apply into the LCM equation.

GCF(2406,2422) = 2
LCM(2406,2422) = ( 2406 × 2422) / 2
LCM(2406,2422) = 5827332 / 2
LCM(2406,2422) = 2913666

Least Common Multiple (LCM) of 2406 and 2422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2406 and 2422. First we will calculate the prime factors of 2406 and 2422.

Prime Factorization of 2406

Prime Factorization of 2422

Now multiplying the highest exponent prime factors to calculate the LCM of 2406 and 2422.

LCM(2406,2422) = 2¹ × 3¹ × 401¹ × 7¹ × 173¹
LCM(2406,2422) = 2913666