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What is the Least Common Multiple of 4540 and 4545?

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 4540 and 4545 is 4126860.

LCM(4540,4545) = 4126860

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Least Common Multiple of 4540 and 4545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4540 and 4545, than apply into the LCM equation.

GCF(4540,4545) = 5
LCM(4540,4545) = ( 4540 × 4545) / 5
LCM(4540,4545) = 20634300 / 5
LCM(4540,4545) = 4126860

Least Common Multiple (LCM) of 4540 and 4545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4540 and 4545. First we will calculate the prime factors of 4540 and 4545.

Prime Factorization of 4540

Prime factors of 4540 are 2, 5, 227. Prime factorization of 4540 in exponential form is:

4540 = 22 × 51 × 2271

Prime Factorization of 4545

Prime factors of 4545 are 3, 5, 101. Prime factorization of 4545 in exponential form is:

4545 = 32 × 51 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 4540 and 4545.

LCM(4540,4545) = 22 × 51 × 2271 × 32 × 1011
LCM(4540,4545) = 4126860