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What is the Least Common Multiple of 43080 and 43091?

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 43080 and 43091 is 1856360280.

LCM(43080,43091) = 1856360280

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Least Common Multiple of 43080 and 43091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43080 and 43091, than apply into the LCM equation.

GCF(43080,43091) = 1
LCM(43080,43091) = ( 43080 × 43091) / 1
LCM(43080,43091) = 1856360280 / 1
LCM(43080,43091) = 1856360280

Least Common Multiple (LCM) of 43080 and 43091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43080 and 43091. First we will calculate the prime factors of 43080 and 43091.

Prime Factorization of 43080

Prime factors of 43080 are 2, 3, 5, 359. Prime factorization of 43080 in exponential form is:

43080 = 23 × 31 × 51 × 3591

Prime Factorization of 43091

Prime factors of 43091 are 41, 1051. Prime factorization of 43091 in exponential form is:

43091 = 411 × 10511

Now multiplying the highest exponent prime factors to calculate the LCM of 43080 and 43091.

LCM(43080,43091) = 23 × 31 × 51 × 3591 × 411 × 10511
LCM(43080,43091) = 1856360280