What is the Least Common Multiple of 3140 and 3146?

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 3140 and 3146 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3140 and 3146, than apply into the LCM equation.

GCF(3140,3146) = 2
LCM(3140,3146) = ( 3140 × 3146) / 2
LCM(3140,3146) = 9878440 / 2
LCM(3140,3146) = 4939220

Least Common Multiple (LCM) of 3140 and 3146 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3140 and 3146. First we will calculate the prime factors of 3140 and 3146.

Prime Factorization of 3140

Prime Factorization of 3146

Now multiplying the highest exponent prime factors to calculate the LCM of 3140 and 3146.

LCM(3140,3146) = 2² × 5¹ × 157¹ × 11² × 13¹
LCM(3140,3146) = 4939220