What is the Least Common Multiple of 4380 and 4396?

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 4380 and 4396 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4380 and 4396, than apply into the LCM equation.

GCF(4380,4396) = 4
LCM(4380,4396) = ( 4380 × 4396) / 4
LCM(4380,4396) = 19254480 / 4
LCM(4380,4396) = 4813620

Least Common Multiple (LCM) of 4380 and 4396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4380 and 4396. First we will calculate the prime factors of 4380 and 4396.

Prime Factorization of 4380

Prime Factorization of 4396

Now multiplying the highest exponent prime factors to calculate the LCM of 4380 and 4396.

LCM(4380,4396) = 2² × 3¹ × 5¹ × 73¹ × 7¹ × 157¹
LCM(4380,4396) = 4813620