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What is the Least Common Multiple of 20186 and 20197?

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 20186 and 20197 is 407696642.

LCM(20186,20197) = 407696642

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Least Common Multiple of 20186 and 20197 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20186 and 20197, than apply into the LCM equation.

GCF(20186,20197) = 1
LCM(20186,20197) = ( 20186 × 20197) / 1
LCM(20186,20197) = 407696642 / 1
LCM(20186,20197) = 407696642

Least Common Multiple (LCM) of 20186 and 20197 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20186 and 20197. First we will calculate the prime factors of 20186 and 20197.

Prime Factorization of 20186

Prime factors of 20186 are 2, 10093. Prime factorization of 20186 in exponential form is:

20186 = 21 × 100931

Prime Factorization of 20197

Prime factors of 20197 are 19, 1063. Prime factorization of 20197 in exponential form is:

20197 = 191 × 10631

Now multiplying the highest exponent prime factors to calculate the LCM of 20186 and 20197.

LCM(20186,20197) = 21 × 100931 × 191 × 10631
LCM(20186,20197) = 407696642