What is the Least Common Multiple of 87781 and 87791?

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 87781 and 87791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87781 and 87791, than apply into the LCM equation.

GCF(87781,87791) = 1
LCM(87781,87791) = ( 87781 × 87791) / 1
LCM(87781,87791) = 7706381771 / 1
LCM(87781,87791) = 7706381771

Least Common Multiple (LCM) of 87781 and 87791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87781 and 87791. First we will calculate the prime factors of 87781 and 87791.

Prime Factorization of 87781

Prime Factorization of 87791

Now multiplying the highest exponent prime factors to calculate the LCM of 87781 and 87791.

LCM(87781,87791) = 41¹ × 2141¹ × 11¹ × 23¹ × 347¹
LCM(87781,87791) = 7706381771