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What is the Least Common Multiple of 40188 and 40205?

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 40188 and 40205 is 95044620.

LCM(40188,40205) = 95044620

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Least Common Multiple of 40188 and 40205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40188 and 40205, than apply into the LCM equation.

GCF(40188,40205) = 17
LCM(40188,40205) = ( 40188 × 40205) / 17
LCM(40188,40205) = 1615758540 / 17
LCM(40188,40205) = 95044620

Least Common Multiple (LCM) of 40188 and 40205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40188 and 40205. First we will calculate the prime factors of 40188 and 40205.

Prime Factorization of 40188

Prime factors of 40188 are 2, 3, 17, 197. Prime factorization of 40188 in exponential form is:

40188 = 22 × 31 × 171 × 1971

Prime Factorization of 40205

Prime factors of 40205 are 5, 11, 17, 43. Prime factorization of 40205 in exponential form is:

40205 = 51 × 111 × 171 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 40188 and 40205.

LCM(40188,40205) = 22 × 31 × 171 × 1971 × 51 × 111 × 431
LCM(40188,40205) = 95044620