GCF and LCM Calculator Logo

What is the Least Common Multiple of 65978 and 65993?

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 (LCM) of 65978 and 65993 is 4354086154.

LCM(65978,65993) = 4354086154

LCM Calculator and
and

Least Common Multiple of 65978 and 65993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65978 and 65993, than apply into the LCM equation.

GCF(65978,65993) = 1
LCM(65978,65993) = ( 65978 × 65993) / 1
LCM(65978,65993) = 4354086154 / 1
LCM(65978,65993) = 4354086154

Least Common Multiple (LCM) of 65978 and 65993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65978 and 65993. First we will calculate the prime factors of 65978 and 65993.

Prime Factorization of 65978

Prime factors of 65978 are 2, 11, 2999. Prime factorization of 65978 in exponential form is:

65978 = 21 × 111 × 29991

Prime Factorization of 65993

Prime factors of 65993 are 65993. Prime factorization of 65993 in exponential form is:

65993 = 659931

Now multiplying the highest exponent prime factors to calculate the LCM of 65978 and 65993.

LCM(65978,65993) = 21 × 111 × 29991 × 659931
LCM(65978,65993) = 4354086154