What is the Least Common Multiple of 7180 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 7180 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 7180 and 7198, than apply into the LCM equation.

GCF(7180,7198) = 2
LCM(7180,7198) = ( 7180 × 7198) / 2
LCM(7180,7198) = 51681640 / 2
LCM(7180,7198) = 25840820

Least Common Multiple (LCM) of 7180 and 7198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7180 and 7198. First we will calculate the prime factors of 7180 and 7198.

Prime Factorization of 7180

Prime Factorization of 7198

Now multiplying the highest exponent prime factors to calculate the LCM of 7180 and 7198.

LCM(7180,7198) = 2² × 5¹ × 359¹ × 59¹ × 61¹
LCM(7180,7198) = 25840820