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What is the Least Common Multiple of 28611 and 28618?

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 28611 and 28618 is 818789598.

LCM(28611,28618) = 818789598

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Least Common Multiple of 28611 and 28618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28611 and 28618, than apply into the LCM equation.

GCF(28611,28618) = 1
LCM(28611,28618) = ( 28611 × 28618) / 1
LCM(28611,28618) = 818789598 / 1
LCM(28611,28618) = 818789598

Least Common Multiple (LCM) of 28611 and 28618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28611 and 28618. First we will calculate the prime factors of 28611 and 28618.

Prime Factorization of 28611

Prime factors of 28611 are 3, 11, 17. Prime factorization of 28611 in exponential form is:

28611 = 32 × 111 × 172

Prime Factorization of 28618

Prime factors of 28618 are 2, 41, 349. Prime factorization of 28618 in exponential form is:

28618 = 21 × 411 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 28611 and 28618.

LCM(28611,28618) = 32 × 111 × 172 × 21 × 411 × 3491
LCM(28611,28618) = 818789598