What is the Least Common Multiple of 77386 and 77390?

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 77386 and 77390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77386 and 77390, than apply into the LCM equation.

GCF(77386,77390) = 2
LCM(77386,77390) = ( 77386 × 77390) / 2
LCM(77386,77390) = 5988902540 / 2
LCM(77386,77390) = 2994451270

Least Common Multiple (LCM) of 77386 and 77390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77386 and 77390. First we will calculate the prime factors of 77386 and 77390.

Prime Factorization of 77386

Prime Factorization of 77390

Now multiplying the highest exponent prime factors to calculate the LCM of 77386 and 77390.

LCM(77386,77390) = 2¹ × 38693¹ × 5¹ × 71¹ × 109¹
LCM(77386,77390) = 2994451270