What is the Least Common Multiple of 97760 and 97772?

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 97760 and 97772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97760 and 97772, than apply into the LCM equation.

GCF(97760,97772) = 4
LCM(97760,97772) = ( 97760 × 97772) / 4
LCM(97760,97772) = 9558190720 / 4
LCM(97760,97772) = 2389547680

Least Common Multiple (LCM) of 97760 and 97772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97760 and 97772. First we will calculate the prime factors of 97760 and 97772.

Prime Factorization of 97760

Prime Factorization of 97772

Now multiplying the highest exponent prime factors to calculate the LCM of 97760 and 97772.

LCM(97760,97772) = 2⁵ × 5¹ × 13¹ × 47¹ × 24443¹
LCM(97760,97772) = 2389547680