What is the Least Common Multiple of 61140 and 61144?

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 61140 and 61144 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61140 and 61144, than apply into the LCM equation.

GCF(61140,61144) = 4
LCM(61140,61144) = ( 61140 × 61144) / 4
LCM(61140,61144) = 3738344160 / 4
LCM(61140,61144) = 934586040

Least Common Multiple (LCM) of 61140 and 61144 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61140 and 61144. First we will calculate the prime factors of 61140 and 61144.

Prime Factorization of 61140

Prime Factorization of 61144

Now multiplying the highest exponent prime factors to calculate the LCM of 61140 and 61144.

LCM(61140,61144) = 2³ × 3¹ × 5¹ × 1019¹ × 7643¹
LCM(61140,61144) = 934586040