What is the Least Common Multiple of 53760 and 53776?

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 53760 and 53776 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53760 and 53776, than apply into the LCM equation.

GCF(53760,53776) = 16
LCM(53760,53776) = ( 53760 × 53776) / 16
LCM(53760,53776) = 2890997760 / 16
LCM(53760,53776) = 180687360

Least Common Multiple (LCM) of 53760 and 53776 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53760 and 53776. First we will calculate the prime factors of 53760 and 53776.

Prime Factorization of 53760

Prime Factorization of 53776

Now multiplying the highest exponent prime factors to calculate the LCM of 53760 and 53776.

LCM(53760,53776) = 2⁹ × 3¹ × 5¹ × 7¹ × 3361¹
LCM(53760,53776) = 180687360