What is the Least Common Multiple of 73156 and 73172?

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 73156 and 73172 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73156 and 73172, than apply into the LCM equation.

GCF(73156,73172) = 4
LCM(73156,73172) = ( 73156 × 73172) / 4
LCM(73156,73172) = 5352970832 / 4
LCM(73156,73172) = 1338242708

Least Common Multiple (LCM) of 73156 and 73172 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73156 and 73172. First we will calculate the prime factors of 73156 and 73172.

Prime Factorization of 73156

Prime Factorization of 73172

Now multiplying the highest exponent prime factors to calculate the LCM of 73156 and 73172.

LCM(73156,73172) = 2² × 18289¹ × 11¹ × 1663¹
LCM(73156,73172) = 1338242708