What is the Least Common Multiple of 83978 and 83983?

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 83978 and 83983 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83978 and 83983, than apply into the LCM equation.

GCF(83978,83983) = 1
LCM(83978,83983) = ( 83978 × 83983) / 1
LCM(83978,83983) = 7052724374 / 1
LCM(83978,83983) = 7052724374

Least Common Multiple (LCM) of 83978 and 83983 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83978 and 83983. First we will calculate the prime factors of 83978 and 83983.

Prime Factorization of 83978

Prime Factorization of 83983

Now multiplying the highest exponent prime factors to calculate the LCM of 83978 and 83983.

LCM(83978,83983) = 2¹ × 199¹ × 211¹ × 83983¹
LCM(83978,83983) = 7052724374