What is the Least Common Multiple of 76974 and 76978?

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 76974 and 76978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76974 and 76978, than apply into the LCM equation.

GCF(76974,76978) = 2
LCM(76974,76978) = ( 76974 × 76978) / 2
LCM(76974,76978) = 5925304572 / 2
LCM(76974,76978) = 2962652286

Least Common Multiple (LCM) of 76974 and 76978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76974 and 76978. First we will calculate the prime factors of 76974 and 76978.

Prime Factorization of 76974

Prime Factorization of 76978

Now multiplying the highest exponent prime factors to calculate the LCM of 76974 and 76978.

LCM(76974,76978) = 2¹ × 3¹ × 12829¹ × 11¹ × 3499¹
LCM(76974,76978) = 2962652286