What is the Least Common Multiple of 16971 and 16980?

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 16971 and 16980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16971 and 16980, than apply into the LCM equation.

GCF(16971,16980) = 3
LCM(16971,16980) = ( 16971 × 16980) / 3
LCM(16971,16980) = 288167580 / 3
LCM(16971,16980) = 96055860

Least Common Multiple (LCM) of 16971 and 16980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16971 and 16980. First we will calculate the prime factors of 16971 and 16980.

Prime Factorization of 16971

Prime Factorization of 16980

Now multiplying the highest exponent prime factors to calculate the LCM of 16971 and 16980.

LCM(16971,16980) = 3¹ × 5657¹ × 2² × 5¹ × 283¹
LCM(16971,16980) = 96055860