What is the Least Common Multiple of 87938 and 87942?

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 87938 and 87942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87938 and 87942, than apply into the LCM equation.

GCF(87938,87942) = 2
LCM(87938,87942) = ( 87938 × 87942) / 2
LCM(87938,87942) = 7733443596 / 2
LCM(87938,87942) = 3866721798

Least Common Multiple (LCM) of 87938 and 87942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87938 and 87942. First we will calculate the prime factors of 87938 and 87942.

Prime Factorization of 87938

Prime Factorization of 87942

Now multiplying the highest exponent prime factors to calculate the LCM of 87938 and 87942.

LCM(87938,87942) = 2¹ × 43969¹ × 3¹ × 14657¹
LCM(87938,87942) = 3866721798