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What is the Least Common Multiple of 17416 and 17428?

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 17416 and 17428 is 75881512.

LCM(17416,17428) = 75881512

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Least Common Multiple of 17416 and 17428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17416 and 17428, than apply into the LCM equation.

GCF(17416,17428) = 4
LCM(17416,17428) = ( 17416 × 17428) / 4
LCM(17416,17428) = 303526048 / 4
LCM(17416,17428) = 75881512

Least Common Multiple (LCM) of 17416 and 17428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17416 and 17428. First we will calculate the prime factors of 17416 and 17428.

Prime Factorization of 17416

Prime factors of 17416 are 2, 7, 311. Prime factorization of 17416 in exponential form is:

17416 = 23 × 71 × 3111

Prime Factorization of 17428

Prime factors of 17428 are 2, 4357. Prime factorization of 17428 in exponential form is:

17428 = 22 × 43571

Now multiplying the highest exponent prime factors to calculate the LCM of 17416 and 17428.

LCM(17416,17428) = 23 × 71 × 3111 × 43571
LCM(17416,17428) = 75881512