GCF and LCM Calculator Logo

What is the Least Common Multiple of 78639 and 78644?

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 78639 and 78644 is 6184485516.

LCM(78639,78644) = 6184485516

LCM Calculator and
and

Least Common Multiple of 78639 and 78644 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78639 and 78644, than apply into the LCM equation.

GCF(78639,78644) = 1
LCM(78639,78644) = ( 78639 × 78644) / 1
LCM(78639,78644) = 6184485516 / 1
LCM(78639,78644) = 6184485516

Least Common Multiple (LCM) of 78639 and 78644 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78639 and 78644. First we will calculate the prime factors of 78639 and 78644.

Prime Factorization of 78639

Prime factors of 78639 are 3, 11, 2383. Prime factorization of 78639 in exponential form is:

78639 = 31 × 111 × 23831

Prime Factorization of 78644

Prime factors of 78644 are 2, 19661. Prime factorization of 78644 in exponential form is:

78644 = 22 × 196611

Now multiplying the highest exponent prime factors to calculate the LCM of 78639 and 78644.

LCM(78639,78644) = 31 × 111 × 23831 × 22 × 196611
LCM(78639,78644) = 6184485516