What is the Least Common Multiple of 78886 and 78902?

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 78886 and 78902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78886 and 78902, than apply into the LCM equation.

GCF(78886,78902) = 2
LCM(78886,78902) = ( 78886 × 78902) / 2
LCM(78886,78902) = 6224263172 / 2
LCM(78886,78902) = 3112131586

Least Common Multiple (LCM) of 78886 and 78902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78886 and 78902. First we will calculate the prime factors of 78886 and 78902.

Prime Factorization of 78886

Prime Factorization of 78902

Now multiplying the highest exponent prime factors to calculate the LCM of 78886 and 78902.

LCM(78886,78902) = 2¹ × 39443¹ × 39451¹
LCM(78886,78902) = 3112131586