What is the Least Common Multiple of 71745 and 71761?

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 71745 and 71761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71745 and 71761, than apply into the LCM equation.

GCF(71745,71761) = 1
LCM(71745,71761) = ( 71745 × 71761) / 1
LCM(71745,71761) = 5148492945 / 1
LCM(71745,71761) = 5148492945

Least Common Multiple (LCM) of 71745 and 71761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71745 and 71761. First we will calculate the prime factors of 71745 and 71761.

Prime Factorization of 71745

Prime Factorization of 71761

Now multiplying the highest exponent prime factors to calculate the LCM of 71745 and 71761.

LCM(71745,71761) = 3¹ × 5¹ × 4783¹ × 71761¹
LCM(71745,71761) = 5148492945