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What is the Least Common Multiple of 18148 and 18156?

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 18148 and 18156 is 82373772.

LCM(18148,18156) = 82373772

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Least Common Multiple of 18148 and 18156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18148 and 18156, than apply into the LCM equation.

GCF(18148,18156) = 4
LCM(18148,18156) = ( 18148 × 18156) / 4
LCM(18148,18156) = 329495088 / 4
LCM(18148,18156) = 82373772

Least Common Multiple (LCM) of 18148 and 18156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18148 and 18156. First we will calculate the prime factors of 18148 and 18156.

Prime Factorization of 18148

Prime factors of 18148 are 2, 13, 349. Prime factorization of 18148 in exponential form is:

18148 = 22 × 131 × 3491

Prime Factorization of 18156

Prime factors of 18156 are 2, 3, 17, 89. Prime factorization of 18156 in exponential form is:

18156 = 22 × 31 × 171 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 18148 and 18156.

LCM(18148,18156) = 22 × 131 × 3491 × 31 × 171 × 891
LCM(18148,18156) = 82373772