What is the Least Common Multiple of 57760 and 57772?

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 57760 and 57772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57760 and 57772, than apply into the LCM equation.

GCF(57760,57772) = 4
LCM(57760,57772) = ( 57760 × 57772) / 4
LCM(57760,57772) = 3336910720 / 4
LCM(57760,57772) = 834227680

Least Common Multiple (LCM) of 57760 and 57772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57760 and 57772. First we will calculate the prime factors of 57760 and 57772.

Prime Factorization of 57760

Prime Factorization of 57772

Now multiplying the highest exponent prime factors to calculate the LCM of 57760 and 57772.

LCM(57760,57772) = 2⁵ × 5¹ × 19² × 11¹ × 13¹ × 101¹
LCM(57760,57772) = 834227680