What is the Least Common Multiple of 7370 and 7381?

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 7370 and 7381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7370 and 7381, than apply into the LCM equation.

GCF(7370,7381) = 11
LCM(7370,7381) = ( 7370 × 7381) / 11
LCM(7370,7381) = 54397970 / 11
LCM(7370,7381) = 4945270

Least Common Multiple (LCM) of 7370 and 7381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7370 and 7381. First we will calculate the prime factors of 7370 and 7381.

Prime Factorization of 7370

Prime Factorization of 7381

Now multiplying the highest exponent prime factors to calculate the LCM of 7370 and 7381.

LCM(7370,7381) = 2¹ × 5¹ × 11² × 67¹ × 61¹
LCM(7370,7381) = 4945270