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What is the Least Common Multiple of 20247 and 20258?

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 20247 and 20258 is 410163726.

LCM(20247,20258) = 410163726

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Least Common Multiple of 20247 and 20258 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20247 and 20258, than apply into the LCM equation.

GCF(20247,20258) = 1
LCM(20247,20258) = ( 20247 × 20258) / 1
LCM(20247,20258) = 410163726 / 1
LCM(20247,20258) = 410163726

Least Common Multiple (LCM) of 20247 and 20258 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20247 and 20258. First we will calculate the prime factors of 20247 and 20258.

Prime Factorization of 20247

Prime factors of 20247 are 3, 17, 397. Prime factorization of 20247 in exponential form is:

20247 = 31 × 171 × 3971

Prime Factorization of 20258

Prime factors of 20258 are 2, 7, 1447. Prime factorization of 20258 in exponential form is:

20258 = 21 × 71 × 14471

Now multiplying the highest exponent prime factors to calculate the LCM of 20247 and 20258.

LCM(20247,20258) = 31 × 171 × 3971 × 21 × 71 × 14471
LCM(20247,20258) = 410163726