What is the Least Common Multiple of 4142 and 4158?

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 4142 and 4158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4142 and 4158, than apply into the LCM equation.

GCF(4142,4158) = 2
LCM(4142,4158) = ( 4142 × 4158) / 2
LCM(4142,4158) = 17222436 / 2
LCM(4142,4158) = 8611218

Least Common Multiple (LCM) of 4142 and 4158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4142 and 4158. First we will calculate the prime factors of 4142 and 4158.

Prime Factorization of 4142

Prime Factorization of 4158

Now multiplying the highest exponent prime factors to calculate the LCM of 4142 and 4158.

LCM(4142,4158) = 2¹ × 19¹ × 109¹ × 3³ × 7¹ × 11¹
LCM(4142,4158) = 8611218