What is the Least Common Multiple of 71168 and 71172?

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 71168 and 71172 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71168 and 71172, than apply into the LCM equation.

GCF(71168,71172) = 4
LCM(71168,71172) = ( 71168 × 71172) / 4
LCM(71168,71172) = 5065168896 / 4
LCM(71168,71172) = 1266292224

Least Common Multiple (LCM) of 71168 and 71172 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71168 and 71172. First we will calculate the prime factors of 71168 and 71172.

Prime Factorization of 71168

Prime Factorization of 71172

Now multiplying the highest exponent prime factors to calculate the LCM of 71168 and 71172.

LCM(71168,71172) = 2⁹ × 139¹ × 3³ × 659¹
LCM(71168,71172) = 1266292224