What is the Least Common Multiple of 69156 and 69172?

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 69156 and 69172 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69156 and 69172, than apply into the LCM equation.

GCF(69156,69172) = 4
LCM(69156,69172) = ( 69156 × 69172) / 4
LCM(69156,69172) = 4783658832 / 4
LCM(69156,69172) = 1195914708

Least Common Multiple (LCM) of 69156 and 69172 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69156 and 69172. First we will calculate the prime factors of 69156 and 69172.

Prime Factorization of 69156

Prime Factorization of 69172

Now multiplying the highest exponent prime factors to calculate the LCM of 69156 and 69172.

LCM(69156,69172) = 2² × 3² × 17¹ × 113¹ × 17293¹
LCM(69156,69172) = 1195914708