What is the Least Common Multiple of 7178 and 7198?

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 7178 and 7198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7178 and 7198, than apply into the LCM equation.

GCF(7178,7198) = 2
LCM(7178,7198) = ( 7178 × 7198) / 2
LCM(7178,7198) = 51667244 / 2
LCM(7178,7198) = 25833622

Least Common Multiple (LCM) of 7178 and 7198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7178 and 7198. First we will calculate the prime factors of 7178 and 7198.

Prime Factorization of 7178

Prime Factorization of 7198

Now multiplying the highest exponent prime factors to calculate the LCM of 7178 and 7198.

LCM(7178,7198) = 2¹ × 37¹ × 97¹ × 59¹ × 61¹
LCM(7178,7198) = 25833622