What is the Least Common Multiple of 77749 and 77761?

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 77749 and 77761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77749 and 77761, than apply into the LCM equation.

GCF(77749,77761) = 1
LCM(77749,77761) = ( 77749 × 77761) / 1
LCM(77749,77761) = 6045839989 / 1
LCM(77749,77761) = 6045839989

Least Common Multiple (LCM) of 77749 and 77761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77749 and 77761. First we will calculate the prime factors of 77749 and 77761.

Prime Factorization of 77749

Prime Factorization of 77761

Now multiplying the highest exponent prime factors to calculate the LCM of 77749 and 77761.

LCM(77749,77761) = 7¹ × 29¹ × 383¹ × 77761¹
LCM(77749,77761) = 6045839989