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What is the Least Common Multiple of 72166 and 72181?

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 72166 and 72181 is 5209014046.

LCM(72166,72181) = 5209014046

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Least Common Multiple of 72166 and 72181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72166 and 72181, than apply into the LCM equation.

GCF(72166,72181) = 1
LCM(72166,72181) = ( 72166 × 72181) / 1
LCM(72166,72181) = 5209014046 / 1
LCM(72166,72181) = 5209014046

Least Common Multiple (LCM) of 72166 and 72181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72166 and 72181. First we will calculate the prime factors of 72166 and 72181.

Prime Factorization of 72166

Prime factors of 72166 are 2, 36083. Prime factorization of 72166 in exponential form is:

72166 = 21 × 360831

Prime Factorization of 72181

Prime factors of 72181 are 19, 29, 131. Prime factorization of 72181 in exponential form is:

72181 = 191 × 291 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 72166 and 72181.

LCM(72166,72181) = 21 × 360831 × 191 × 291 × 1311
LCM(72166,72181) = 5209014046