What is the Least Common Multiple of 78022 and 78042?

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 78022 and 78042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78022 and 78042, than apply into the LCM equation.

GCF(78022,78042) = 2
LCM(78022,78042) = ( 78022 × 78042) / 2
LCM(78022,78042) = 6088992924 / 2
LCM(78022,78042) = 3044496462

Least Common Multiple (LCM) of 78022 and 78042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78022 and 78042. First we will calculate the prime factors of 78022 and 78042.

Prime Factorization of 78022

Prime Factorization of 78042

Now multiplying the highest exponent prime factors to calculate the LCM of 78022 and 78042.

LCM(78022,78042) = 2¹ × 7¹ × 5573¹ × 3¹ × 13007¹
LCM(78022,78042) = 3044496462