What is the Least Common Multiple of 47870 and 47884?

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 47870 and 47884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47870 and 47884, than apply into the LCM equation.

GCF(47870,47884) = 2
LCM(47870,47884) = ( 47870 × 47884) / 2
LCM(47870,47884) = 2292207080 / 2
LCM(47870,47884) = 1146103540

Least Common Multiple (LCM) of 47870 and 47884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47870 and 47884. First we will calculate the prime factors of 47870 and 47884.

Prime Factorization of 47870

Prime Factorization of 47884

Now multiplying the highest exponent prime factors to calculate the LCM of 47870 and 47884.

LCM(47870,47884) = 2² × 5¹ × 4787¹ × 11971¹
LCM(47870,47884) = 1146103540