What is the Least Common Multiple of 38978 and 38996?

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 38978 and 38996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38978 and 38996, than apply into the LCM equation.

GCF(38978,38996) = 2
LCM(38978,38996) = ( 38978 × 38996) / 2
LCM(38978,38996) = 1519986088 / 2
LCM(38978,38996) = 759993044

Least Common Multiple (LCM) of 38978 and 38996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38978 and 38996. First we will calculate the prime factors of 38978 and 38996.

Prime Factorization of 38978

Prime Factorization of 38996

Now multiplying the highest exponent prime factors to calculate the LCM of 38978 and 38996.

LCM(38978,38996) = 2² × 19489¹ × 9749¹
LCM(38978,38996) = 759993044