What is the Least Common Multiple of 16983 and 16987?

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 16983 and 16987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16983 and 16987, than apply into the LCM equation.

GCF(16983,16987) = 1
LCM(16983,16987) = ( 16983 × 16987) / 1
LCM(16983,16987) = 288490221 / 1
LCM(16983,16987) = 288490221

Least Common Multiple (LCM) of 16983 and 16987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16983 and 16987. First we will calculate the prime factors of 16983 and 16987.

Prime Factorization of 16983

Prime Factorization of 16987

Now multiplying the highest exponent prime factors to calculate the LCM of 16983 and 16987.

LCM(16983,16987) = 3³ × 17¹ × 37¹ × 16987¹
LCM(16983,16987) = 288490221