What is the Least Common Multiple of 77065 and 77075?

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 77065 and 77075 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77065 and 77075, than apply into the LCM equation.

GCF(77065,77075) = 5
LCM(77065,77075) = ( 77065 × 77075) / 5
LCM(77065,77075) = 5939784875 / 5
LCM(77065,77075) = 1187956975

Least Common Multiple (LCM) of 77065 and 77075 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77065 and 77075. First we will calculate the prime factors of 77065 and 77075.

Prime Factorization of 77065

Prime Factorization of 77075

Now multiplying the highest exponent prime factors to calculate the LCM of 77065 and 77075.

LCM(77065,77075) = 5² × 15413¹ × 3083¹
LCM(77065,77075) = 1187956975