What is the Least Common Multiple of 47971 and 47981?

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 47971 and 47981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47971 and 47981, than apply into the LCM equation.

GCF(47971,47981) = 1
LCM(47971,47981) = ( 47971 × 47981) / 1
LCM(47971,47981) = 2301696551 / 1
LCM(47971,47981) = 2301696551

Least Common Multiple (LCM) of 47971 and 47981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47971 and 47981. First we will calculate the prime factors of 47971 and 47981.

Prime Factorization of 47971

Prime Factorization of 47981

Now multiplying the highest exponent prime factors to calculate the LCM of 47971 and 47981.

LCM(47971,47981) = 7² × 11¹ × 89¹ × 47981¹
LCM(47971,47981) = 2301696551