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What is the Least Common Multiple of 43666 and 43673?

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 43666 and 43673 is 272432174.

LCM(43666,43673) = 272432174

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Least Common Multiple of 43666 and 43673 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43666 and 43673, than apply into the LCM equation.

GCF(43666,43673) = 7
LCM(43666,43673) = ( 43666 × 43673) / 7
LCM(43666,43673) = 1907025218 / 7
LCM(43666,43673) = 272432174

Least Common Multiple (LCM) of 43666 and 43673 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43666 and 43673. First we will calculate the prime factors of 43666 and 43673.

Prime Factorization of 43666

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

43666 = 21 × 71 × 31191

Prime Factorization of 43673

Prime factors of 43673 are 7, 17, 367. Prime factorization of 43673 in exponential form is:

43673 = 71 × 171 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 43666 and 43673.

LCM(43666,43673) = 21 × 71 × 31191 × 171 × 3671
LCM(43666,43673) = 272432174