What is the Least Common Multiple of 91761 and 91771?

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 91761 and 91771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91761 and 91771, than apply into the LCM equation.

GCF(91761,91771) = 1
LCM(91761,91771) = ( 91761 × 91771) / 1
LCM(91761,91771) = 8420998731 / 1
LCM(91761,91771) = 8420998731

Least Common Multiple (LCM) of 91761 and 91771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91761 and 91771. First we will calculate the prime factors of 91761 and 91771.

Prime Factorization of 91761

Prime Factorization of 91771

Now multiplying the highest exponent prime factors to calculate the LCM of 91761 and 91771.

LCM(91761,91771) = 3¹ × 73¹ × 419¹ × 91771¹
LCM(91761,91771) = 8420998731