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What is the Least Common Multiple of 18436 and 18452?

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 18436 and 18452 is 85045268.

LCM(18436,18452) = 85045268

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Least Common Multiple of 18436 and 18452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18436 and 18452, than apply into the LCM equation.

GCF(18436,18452) = 4
LCM(18436,18452) = ( 18436 × 18452) / 4
LCM(18436,18452) = 340181072 / 4
LCM(18436,18452) = 85045268

Least Common Multiple (LCM) of 18436 and 18452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18436 and 18452. First we will calculate the prime factors of 18436 and 18452.

Prime Factorization of 18436

Prime factors of 18436 are 2, 11, 419. Prime factorization of 18436 in exponential form is:

18436 = 22 × 111 × 4191

Prime Factorization of 18452

Prime factors of 18452 are 2, 7, 659. Prime factorization of 18452 in exponential form is:

18452 = 22 × 71 × 6591

Now multiplying the highest exponent prime factors to calculate the LCM of 18436 and 18452.

LCM(18436,18452) = 22 × 111 × 4191 × 71 × 6591
LCM(18436,18452) = 85045268