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What is the Least Common Multiple of 18425 and 18436?

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 18425 and 18436 is 30880300.

LCM(18425,18436) = 30880300

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Least Common Multiple of 18425 and 18436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18425 and 18436, than apply into the LCM equation.

GCF(18425,18436) = 11
LCM(18425,18436) = ( 18425 × 18436) / 11
LCM(18425,18436) = 339683300 / 11
LCM(18425,18436) = 30880300

Least Common Multiple (LCM) of 18425 and 18436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18425 and 18436. First we will calculate the prime factors of 18425 and 18436.

Prime Factorization of 18425

Prime factors of 18425 are 5, 11, 67. Prime factorization of 18425 in exponential form is:

18425 = 52 × 111 × 671

Prime Factorization of 18436

Prime factors of 18436 are 2, 11, 419. Prime factorization of 18436 in exponential form is:

18436 = 22 × 111 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 18425 and 18436.

LCM(18425,18436) = 52 × 111 × 671 × 22 × 4191
LCM(18425,18436) = 30880300