What is the Least Common Multiple of 78671 and 78680?

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 78671 and 78680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78671 and 78680, than apply into the LCM equation.

GCF(78671,78680) = 1
LCM(78671,78680) = ( 78671 × 78680) / 1
LCM(78671,78680) = 6189834280 / 1
LCM(78671,78680) = 6189834280

Least Common Multiple (LCM) of 78671 and 78680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78671 and 78680. First we will calculate the prime factors of 78671 and 78680.

Prime Factorization of 78671

Prime Factorization of 78680

Now multiplying the highest exponent prime factors to calculate the LCM of 78671 and 78680.

LCM(78671,78680) = 151¹ × 521¹ × 2³ × 5¹ × 7¹ × 281¹
LCM(78671,78680) = 6189834280