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What is the Least Common Multiple of 18080 and 18092?

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 18080 and 18092 is 81775840.

LCM(18080,18092) = 81775840

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Least Common Multiple of 18080 and 18092 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18080 and 18092, than apply into the LCM equation.

GCF(18080,18092) = 4
LCM(18080,18092) = ( 18080 × 18092) / 4
LCM(18080,18092) = 327103360 / 4
LCM(18080,18092) = 81775840

Least Common Multiple (LCM) of 18080 and 18092 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18080 and 18092. First we will calculate the prime factors of 18080 and 18092.

Prime Factorization of 18080

Prime factors of 18080 are 2, 5, 113. Prime factorization of 18080 in exponential form is:

18080 = 25 × 51 × 1131

Prime Factorization of 18092

Prime factors of 18092 are 2, 4523. Prime factorization of 18092 in exponential form is:

18092 = 22 × 45231

Now multiplying the highest exponent prime factors to calculate the LCM of 18080 and 18092.

LCM(18080,18092) = 25 × 51 × 1131 × 45231
LCM(18080,18092) = 81775840