What is the Least Common Multiple of 86971 and 86981?

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 86971 and 86981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86971 and 86981, than apply into the LCM equation.

GCF(86971,86981) = 1
LCM(86971,86981) = ( 86971 × 86981) / 1
LCM(86971,86981) = 7564824551 / 1
LCM(86971,86981) = 7564824551

Least Common Multiple (LCM) of 86971 and 86981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86971 and 86981. First we will calculate the prime factors of 86971 and 86981.

Prime Factorization of 86971

Prime Factorization of 86981

Now multiplying the highest exponent prime factors to calculate the LCM of 86971 and 86981.

LCM(86971,86981) = 29¹ × 2999¹ × 86981¹
LCM(86971,86981) = 7564824551