What is the Least Common Multiple of 4157 and 4172?

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 4157 and 4172 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4157 and 4172, than apply into the LCM equation.

GCF(4157,4172) = 1
LCM(4157,4172) = ( 4157 × 4172) / 1
LCM(4157,4172) = 17343004 / 1
LCM(4157,4172) = 17343004

Least Common Multiple (LCM) of 4157 and 4172 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4157 and 4172. First we will calculate the prime factors of 4157 and 4172.

Prime Factorization of 4157

Prime Factorization of 4172

Now multiplying the highest exponent prime factors to calculate the LCM of 4157 and 4172.

LCM(4157,4172) = 4157¹ × 2² × 7¹ × 149¹
LCM(4157,4172) = 17343004