What is the Least Common Multiple of 17142 and 17156?

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 17142 and 17156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17142 and 17156, than apply into the LCM equation.

GCF(17142,17156) = 2
LCM(17142,17156) = ( 17142 × 17156) / 2
LCM(17142,17156) = 294088152 / 2
LCM(17142,17156) = 147044076

Least Common Multiple (LCM) of 17142 and 17156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17142 and 17156. First we will calculate the prime factors of 17142 and 17156.

Prime Factorization of 17142

Prime Factorization of 17156

Now multiplying the highest exponent prime factors to calculate the LCM of 17142 and 17156.

LCM(17142,17156) = 2² × 3¹ × 2857¹ × 4289¹
LCM(17142,17156) = 147044076