What is the Least Common Multiple of 49140 and 49155?

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 49140 and 49155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49140 and 49155, than apply into the LCM equation.

GCF(49140,49155) = 15
LCM(49140,49155) = ( 49140 × 49155) / 15
LCM(49140,49155) = 2415476700 / 15
LCM(49140,49155) = 161031780

Least Common Multiple (LCM) of 49140 and 49155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49140 and 49155. First we will calculate the prime factors of 49140 and 49155.

Prime Factorization of 49140

Prime Factorization of 49155

Now multiplying the highest exponent prime factors to calculate the LCM of 49140 and 49155.

LCM(49140,49155) = 2² × 3³ × 5¹ × 7¹ × 13¹ × 29¹ × 113¹
LCM(49140,49155) = 161031780