What is the Least Common Multiple of 71742 and 71757?

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 71742 and 71757 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71742 and 71757, than apply into the LCM equation.

GCF(71742,71757) = 3
LCM(71742,71757) = ( 71742 × 71757) / 3
LCM(71742,71757) = 5147990694 / 3
LCM(71742,71757) = 1715996898

Least Common Multiple (LCM) of 71742 and 71757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71742 and 71757. First we will calculate the prime factors of 71742 and 71757.

Prime Factorization of 71742

Prime Factorization of 71757

Now multiplying the highest exponent prime factors to calculate the LCM of 71742 and 71757.

LCM(71742,71757) = 2¹ × 3² × 11¹ × 1087¹ × 7¹ × 17¹ × 67¹
LCM(71742,71757) = 1715996898