GCF and LCM Calculator Logo

What is the Least Common Multiple of 78964 and 78982?

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 78964 and 78982 is 3118367324.

LCM(78964,78982) = 3118367324

LCM Calculator and
and

Least Common Multiple of 78964 and 78982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78964 and 78982, than apply into the LCM equation.

GCF(78964,78982) = 2
LCM(78964,78982) = ( 78964 × 78982) / 2
LCM(78964,78982) = 6236734648 / 2
LCM(78964,78982) = 3118367324

Least Common Multiple (LCM) of 78964 and 78982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78964 and 78982. First we will calculate the prime factors of 78964 and 78982.

Prime Factorization of 78964

Prime factors of 78964 are 2, 19, 1039. Prime factorization of 78964 in exponential form is:

78964 = 22 × 191 × 10391

Prime Factorization of 78982

Prime factors of 78982 are 2, 17, 23, 101. Prime factorization of 78982 in exponential form is:

78982 = 21 × 171 × 231 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 78964 and 78982.

LCM(78964,78982) = 22 × 191 × 10391 × 171 × 231 × 1011
LCM(78964,78982) = 3118367324