What is the Least Common Multiple of 77550 and 77565?

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 77550 and 77565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77550 and 77565, than apply into the LCM equation.

GCF(77550,77565) = 15
LCM(77550,77565) = ( 77550 × 77565) / 15
LCM(77550,77565) = 6015165750 / 15
LCM(77550,77565) = 401011050

Least Common Multiple (LCM) of 77550 and 77565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77550 and 77565. First we will calculate the prime factors of 77550 and 77565.

Prime Factorization of 77550

Prime Factorization of 77565

Now multiplying the highest exponent prime factors to calculate the LCM of 77550 and 77565.

LCM(77550,77565) = 2¹ × 3¹ × 5² × 11¹ × 47¹ × 5171¹
LCM(77550,77565) = 401011050