What is the Least Common Multiple of 75747 and 75761?

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 75747 and 75761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75747 and 75761, than apply into the LCM equation.

GCF(75747,75761) = 7
LCM(75747,75761) = ( 75747 × 75761) / 7
LCM(75747,75761) = 5738668467 / 7
LCM(75747,75761) = 819809781

Least Common Multiple (LCM) of 75747 and 75761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75747 and 75761. First we will calculate the prime factors of 75747 and 75761.

Prime Factorization of 75747

Prime Factorization of 75761

Now multiplying the highest exponent prime factors to calculate the LCM of 75747 and 75761.

LCM(75747,75761) = 3¹ × 7¹ × 3607¹ × 79¹ × 137¹
LCM(75747,75761) = 819809781