What is the Least Common Multiple of 6971 and 6981?

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 6971 and 6981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6971 and 6981, than apply into the LCM equation.

GCF(6971,6981) = 1
LCM(6971,6981) = ( 6971 × 6981) / 1
LCM(6971,6981) = 48664551 / 1
LCM(6971,6981) = 48664551

Least Common Multiple (LCM) of 6971 and 6981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6971 and 6981. First we will calculate the prime factors of 6971 and 6981.

Prime Factorization of 6971

Prime Factorization of 6981

Now multiplying the highest exponent prime factors to calculate the LCM of 6971 and 6981.

LCM(6971,6981) = 6971¹ × 3¹ × 13¹ × 179¹
LCM(6971,6981) = 48664551