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What is the Least Common Multiple of 18626 and 18634?

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 18626 and 18634 is 173538442.

LCM(18626,18634) = 173538442

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Least Common Multiple of 18626 and 18634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18626 and 18634, than apply into the LCM equation.

GCF(18626,18634) = 2
LCM(18626,18634) = ( 18626 × 18634) / 2
LCM(18626,18634) = 347076884 / 2
LCM(18626,18634) = 173538442

Least Common Multiple (LCM) of 18626 and 18634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18626 and 18634. First we will calculate the prime factors of 18626 and 18634.

Prime Factorization of 18626

Prime factors of 18626 are 2, 67, 139. Prime factorization of 18626 in exponential form is:

18626 = 21 × 671 × 1391

Prime Factorization of 18634

Prime factors of 18634 are 2, 7, 11. Prime factorization of 18634 in exponential form is:

18634 = 21 × 71 × 113

Now multiplying the highest exponent prime factors to calculate the LCM of 18626 and 18634.

LCM(18626,18634) = 21 × 671 × 1391 × 71 × 113
LCM(18626,18634) = 173538442