What is the Least Common Multiple of 78364 and 78380?

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 78364 and 78380 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78364 and 78380, than apply into the LCM equation.

GCF(78364,78380) = 4
LCM(78364,78380) = ( 78364 × 78380) / 4
LCM(78364,78380) = 6142170320 / 4
LCM(78364,78380) = 1535542580

Least Common Multiple (LCM) of 78364 and 78380 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78364 and 78380. First we will calculate the prime factors of 78364 and 78380.

Prime Factorization of 78364

Prime Factorization of 78380

Now multiplying the highest exponent prime factors to calculate the LCM of 78364 and 78380.

LCM(78364,78380) = 2² × 11¹ × 13¹ × 137¹ × 5¹ × 3919¹
LCM(78364,78380) = 1535542580