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What is the Least Common Multiple of 4581 and 4601?

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 4581 and 4601 is 21077181.

LCM(4581,4601) = 21077181

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Least Common Multiple of 4581 and 4601 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4581 and 4601, than apply into the LCM equation.

GCF(4581,4601) = 1
LCM(4581,4601) = ( 4581 × 4601) / 1
LCM(4581,4601) = 21077181 / 1
LCM(4581,4601) = 21077181

Least Common Multiple (LCM) of 4581 and 4601 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4581 and 4601. First we will calculate the prime factors of 4581 and 4601.

Prime Factorization of 4581

Prime factors of 4581 are 3, 509. Prime factorization of 4581 in exponential form is:

4581 = 32 × 5091

Prime Factorization of 4601

Prime factors of 4601 are 43, 107. Prime factorization of 4601 in exponential form is:

4601 = 431 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 4581 and 4601.

LCM(4581,4601) = 32 × 5091 × 431 × 1071
LCM(4581,4601) = 21077181