What is the Least Common Multiple of 97120 and 97128?

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 97120 and 97128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97120 and 97128, than apply into the LCM equation.

GCF(97120,97128) = 8
LCM(97120,97128) = ( 97120 × 97128) / 8
LCM(97120,97128) = 9433071360 / 8
LCM(97120,97128) = 1179133920

Least Common Multiple (LCM) of 97120 and 97128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97120 and 97128. First we will calculate the prime factors of 97120 and 97128.

Prime Factorization of 97120

Prime Factorization of 97128

Now multiplying the highest exponent prime factors to calculate the LCM of 97120 and 97128.

LCM(97120,97128) = 2⁵ × 5¹ × 607¹ × 3² × 19¹ × 71¹
LCM(97120,97128) = 1179133920