What is the Least Common Multiple of 77812 and 77819?

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 77812 and 77819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77812 and 77819, than apply into the LCM equation.

GCF(77812,77819) = 7
LCM(77812,77819) = ( 77812 × 77819) / 7
LCM(77812,77819) = 6055252028 / 7
LCM(77812,77819) = 865036004

Least Common Multiple (LCM) of 77812 and 77819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77812 and 77819. First we will calculate the prime factors of 77812 and 77819.

Prime Factorization of 77812

Prime Factorization of 77819

Now multiplying the highest exponent prime factors to calculate the LCM of 77812 and 77819.

LCM(77812,77819) = 2² × 7² × 397¹ × 11117¹
LCM(77812,77819) = 865036004