What is the Least Common Multiple of 47128 and 47143?

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 47128 and 47143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47128 and 47143, than apply into the LCM equation.

GCF(47128,47143) = 1
LCM(47128,47143) = ( 47128 × 47143) / 1
LCM(47128,47143) = 2221755304 / 1
LCM(47128,47143) = 2221755304

Least Common Multiple (LCM) of 47128 and 47143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47128 and 47143. First we will calculate the prime factors of 47128 and 47143.

Prime Factorization of 47128

Prime Factorization of 47143

Now multiplying the highest exponent prime factors to calculate the LCM of 47128 and 47143.

LCM(47128,47143) = 2³ × 43¹ × 137¹ × 47143¹
LCM(47128,47143) = 2221755304