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What is the Least Common Multiple of 4593 and 4609?

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 4593 and 4609 is 21169137.

LCM(4593,4609) = 21169137

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Least Common Multiple of 4593 and 4609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4593 and 4609, than apply into the LCM equation.

GCF(4593,4609) = 1
LCM(4593,4609) = ( 4593 × 4609) / 1
LCM(4593,4609) = 21169137 / 1
LCM(4593,4609) = 21169137

Least Common Multiple (LCM) of 4593 and 4609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4593 and 4609. First we will calculate the prime factors of 4593 and 4609.

Prime Factorization of 4593

Prime factors of 4593 are 3, 1531. Prime factorization of 4593 in exponential form is:

4593 = 31 × 15311

Prime Factorization of 4609

Prime factors of 4609 are 11, 419. Prime factorization of 4609 in exponential form is:

4609 = 111 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 4593 and 4609.

LCM(4593,4609) = 31 × 15311 × 111 × 4191
LCM(4593,4609) = 21169137