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What is the Least Common Multiple of 26621 and 26638?

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 26621 and 26638 is 709130198.

LCM(26621,26638) = 709130198

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Least Common Multiple of 26621 and 26638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26621 and 26638, than apply into the LCM equation.

GCF(26621,26638) = 1
LCM(26621,26638) = ( 26621 × 26638) / 1
LCM(26621,26638) = 709130198 / 1
LCM(26621,26638) = 709130198

Least Common Multiple (LCM) of 26621 and 26638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26621 and 26638. First we will calculate the prime factors of 26621 and 26638.

Prime Factorization of 26621

Prime factors of 26621 are 7, 3803. Prime factorization of 26621 in exponential form is:

26621 = 71 × 38031

Prime Factorization of 26638

Prime factors of 26638 are 2, 19, 701. Prime factorization of 26638 in exponential form is:

26638 = 21 × 191 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 26621 and 26638.

LCM(26621,26638) = 71 × 38031 × 21 × 191 × 7011
LCM(26621,26638) = 709130198