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What is the Least Common Multiple of 4160 and 4168?

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 (LCM) of 4160 and 4168 is 2167360.

LCM(4160,4168) = 2167360

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Least Common Multiple of 4160 and 4168 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4160 and 4168, than apply into the LCM equation.

GCF(4160,4168) = 8
LCM(4160,4168) = ( 4160 × 4168) / 8
LCM(4160,4168) = 17338880 / 8
LCM(4160,4168) = 2167360

Least Common Multiple (LCM) of 4160 and 4168 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4160 and 4168. First we will calculate the prime factors of 4160 and 4168.

Prime Factorization of 4160

Prime factors of 4160 are 2, 5, 13. Prime factorization of 4160 in exponential form is:

4160 = 26 × 51 × 131

Prime Factorization of 4168

Prime factors of 4168 are 2, 521. Prime factorization of 4168 in exponential form is:

4168 = 23 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 4160 and 4168.

LCM(4160,4168) = 26 × 51 × 131 × 5211
LCM(4160,4168) = 2167360