What is the Least Common Multiple of 49640 and 49660?

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 49640 and 49660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49640 and 49660, than apply into the LCM equation.

GCF(49640,49660) = 20
LCM(49640,49660) = ( 49640 × 49660) / 20
LCM(49640,49660) = 2465122400 / 20
LCM(49640,49660) = 123256120

Least Common Multiple (LCM) of 49640 and 49660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49640 and 49660. First we will calculate the prime factors of 49640 and 49660.

Prime Factorization of 49640

Prime Factorization of 49660

Now multiplying the highest exponent prime factors to calculate the LCM of 49640 and 49660.

LCM(49640,49660) = 2³ × 5¹ × 17¹ × 73¹ × 13¹ × 191¹
LCM(49640,49660) = 123256120