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What is the Least Common Multiple of 43657 and 43666?

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 43657 and 43666 is 1906326562.

LCM(43657,43666) = 1906326562

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Least Common Multiple of 43657 and 43666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43657 and 43666, than apply into the LCM equation.

GCF(43657,43666) = 1
LCM(43657,43666) = ( 43657 × 43666) / 1
LCM(43657,43666) = 1906326562 / 1
LCM(43657,43666) = 1906326562

Least Common Multiple (LCM) of 43657 and 43666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43657 and 43666. First we will calculate the prime factors of 43657 and 43666.

Prime Factorization of 43657

Prime factors of 43657 are 149, 293. Prime factorization of 43657 in exponential form is:

43657 = 1491 × 2931

Prime Factorization of 43666

Prime factors of 43666 are 2, 7, 3119. Prime factorization of 43666 in exponential form is:

43666 = 21 × 71 × 31191

Now multiplying the highest exponent prime factors to calculate the LCM of 43657 and 43666.

LCM(43657,43666) = 1491 × 2931 × 21 × 71 × 31191
LCM(43657,43666) = 1906326562