What is the Least Common Multiple of 77931 and 77949?

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 77931 and 77949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77931 and 77949, than apply into the LCM equation.

GCF(77931,77949) = 9
LCM(77931,77949) = ( 77931 × 77949) / 9
LCM(77931,77949) = 6074643519 / 9
LCM(77931,77949) = 674960391

Least Common Multiple (LCM) of 77931 and 77949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77931 and 77949. First we will calculate the prime factors of 77931 and 77949.

Prime Factorization of 77931

Prime Factorization of 77949

Now multiplying the highest exponent prime factors to calculate the LCM of 77931 and 77949.

LCM(77931,77949) = 3³ × 7¹ × 1237¹ × 2887¹
LCM(77931,77949) = 674960391