What is the Least Common Multiple of 78565 and 78577?

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 78565 and 78577 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78565 and 78577, than apply into the LCM equation.

GCF(78565,78577) = 1
LCM(78565,78577) = ( 78565 × 78577) / 1
LCM(78565,78577) = 6173402005 / 1
LCM(78565,78577) = 6173402005

Least Common Multiple (LCM) of 78565 and 78577 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78565 and 78577. First we will calculate the prime factors of 78565 and 78577.

Prime Factorization of 78565

Prime Factorization of 78577

Now multiplying the highest exponent prime factors to calculate the LCM of 78565 and 78577.

LCM(78565,78577) = 5¹ × 19¹ × 827¹ × 78577¹
LCM(78565,78577) = 6173402005