What is the Least Common Multiple of 26970 and 26978?

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 26970 and 26978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26970 and 26978, than apply into the LCM equation.

GCF(26970,26978) = 2
LCM(26970,26978) = ( 26970 × 26978) / 2
LCM(26970,26978) = 727596660 / 2
LCM(26970,26978) = 363798330

Least Common Multiple (LCM) of 26970 and 26978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26970 and 26978. First we will calculate the prime factors of 26970 and 26978.

Prime Factorization of 26970

Prime Factorization of 26978

Now multiplying the highest exponent prime factors to calculate the LCM of 26970 and 26978.

LCM(26970,26978) = 2¹ × 3¹ × 5¹ × 29¹ × 31¹ × 7¹ × 41¹ × 47¹
LCM(26970,26978) = 363798330