What is the Least Common Multiple of 4740 and 4747?

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 4740 and 4747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4740 and 4747, than apply into the LCM equation.

GCF(4740,4747) = 1
LCM(4740,4747) = ( 4740 × 4747) / 1
LCM(4740,4747) = 22500780 / 1
LCM(4740,4747) = 22500780

Least Common Multiple (LCM) of 4740 and 4747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4740 and 4747. First we will calculate the prime factors of 4740 and 4747.

Prime Factorization of 4740

Prime Factorization of 4747

Now multiplying the highest exponent prime factors to calculate the LCM of 4740 and 4747.

LCM(4740,4747) = 2² × 3¹ × 5¹ × 79¹ × 47¹ × 101¹
LCM(4740,4747) = 22500780