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What is the Least Common Multiple of 18603 and 18608?

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 18603 and 18608 is 346164624.

LCM(18603,18608) = 346164624

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Least Common Multiple of 18603 and 18608 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18603 and 18608, than apply into the LCM equation.

GCF(18603,18608) = 1
LCM(18603,18608) = ( 18603 × 18608) / 1
LCM(18603,18608) = 346164624 / 1
LCM(18603,18608) = 346164624

Least Common Multiple (LCM) of 18603 and 18608 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18603 and 18608. First we will calculate the prime factors of 18603 and 18608.

Prime Factorization of 18603

Prime factors of 18603 are 3, 13, 53. Prime factorization of 18603 in exponential form is:

18603 = 33 × 131 × 531

Prime Factorization of 18608

Prime factors of 18608 are 2, 1163. Prime factorization of 18608 in exponential form is:

18608 = 24 × 11631

Now multiplying the highest exponent prime factors to calculate the LCM of 18603 and 18608.

LCM(18603,18608) = 33 × 131 × 531 × 24 × 11631
LCM(18603,18608) = 346164624