What is the Least Common Multiple of 97978 and 97986?

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 97978 and 97986 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97978 and 97986, than apply into the LCM equation.

GCF(97978,97986) = 2
LCM(97978,97986) = ( 97978 × 97986) / 2
LCM(97978,97986) = 9600472308 / 2
LCM(97978,97986) = 4800236154

Least Common Multiple (LCM) of 97978 and 97986 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97978 and 97986. First we will calculate the prime factors of 97978 and 97986.

Prime Factorization of 97978

Prime Factorization of 97986

Now multiplying the highest exponent prime factors to calculate the LCM of 97978 and 97986.

LCM(97978,97986) = 2¹ × 48989¹ × 3¹ × 7¹ × 2333¹
LCM(97978,97986) = 4800236154