What is the Least Common Multiple of 76760 and 76772?

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 76760 and 76772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76760 and 76772, than apply into the LCM equation.

GCF(76760,76772) = 4
LCM(76760,76772) = ( 76760 × 76772) / 4
LCM(76760,76772) = 5893018720 / 4
LCM(76760,76772) = 1473254680

Least Common Multiple (LCM) of 76760 and 76772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76760 and 76772. First we will calculate the prime factors of 76760 and 76772.

Prime Factorization of 76760

Prime Factorization of 76772

Now multiplying the highest exponent prime factors to calculate the LCM of 76760 and 76772.

LCM(76760,76772) = 2³ × 5¹ × 19¹ × 101¹ × 17¹ × 1129¹
LCM(76760,76772) = 1473254680