What is the Least Common Multiple of 5340 and 5356?

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 5340 and 5356 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5340 and 5356, than apply into the LCM equation.

GCF(5340,5356) = 4
LCM(5340,5356) = ( 5340 × 5356) / 4
LCM(5340,5356) = 28601040 / 4
LCM(5340,5356) = 7150260

Least Common Multiple (LCM) of 5340 and 5356 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5340 and 5356. First we will calculate the prime factors of 5340 and 5356.

Prime Factorization of 5340

Prime Factorization of 5356

Now multiplying the highest exponent prime factors to calculate the LCM of 5340 and 5356.

LCM(5340,5356) = 2² × 3¹ × 5¹ × 89¹ × 13¹ × 103¹
LCM(5340,5356) = 7150260