What is the Least Common Multiple of 47145 and 47156?

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 47145 and 47156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47145 and 47156, than apply into the LCM equation.

GCF(47145,47156) = 1
LCM(47145,47156) = ( 47145 × 47156) / 1
LCM(47145,47156) = 2223169620 / 1
LCM(47145,47156) = 2223169620

Least Common Multiple (LCM) of 47145 and 47156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47145 and 47156. First we will calculate the prime factors of 47145 and 47156.

Prime Factorization of 47145

Prime Factorization of 47156

Now multiplying the highest exponent prime factors to calculate the LCM of 47145 and 47156.

LCM(47145,47156) = 3¹ × 5¹ × 7¹ × 449¹ × 2² × 11789¹
LCM(47145,47156) = 2223169620