What is the Least Common Multiple of 77103 and 77121?

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 77103 and 77121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77103 and 77121, than apply into the LCM equation.

GCF(77103,77121) = 9
LCM(77103,77121) = ( 77103 × 77121) / 9
LCM(77103,77121) = 5946260463 / 9
LCM(77103,77121) = 660695607

Least Common Multiple (LCM) of 77103 and 77121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77103 and 77121. First we will calculate the prime factors of 77103 and 77121.

Prime Factorization of 77103

Prime Factorization of 77121

Now multiplying the highest exponent prime factors to calculate the LCM of 77103 and 77121.

LCM(77103,77121) = 3² × 13¹ × 659¹ × 11¹ × 19¹ × 41¹
LCM(77103,77121) = 660695607