What is the Least Common Multiple of 78601 and 78609?

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 78601 and 78609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78601 and 78609, than apply into the LCM equation.

GCF(78601,78609) = 1
LCM(78601,78609) = ( 78601 × 78609) / 1
LCM(78601,78609) = 6178746009 / 1
LCM(78601,78609) = 6178746009

Least Common Multiple (LCM) of 78601 and 78609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78601 and 78609. First we will calculate the prime factors of 78601 and 78609.

Prime Factorization of 78601

Prime Factorization of 78609

Now multiplying the highest exponent prime factors to calculate the LCM of 78601 and 78609.

LCM(78601,78609) = 83¹ × 947¹ × 3¹ × 26203¹
LCM(78601,78609) = 6178746009