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What is the Least Common Multiple of 6540 and 6544?

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 6540 and 6544 is 10699440.

LCM(6540,6544) = 10699440

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Least Common Multiple of 6540 and 6544 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6540 and 6544, than apply into the LCM equation.

GCF(6540,6544) = 4
LCM(6540,6544) = ( 6540 × 6544) / 4
LCM(6540,6544) = 42797760 / 4
LCM(6540,6544) = 10699440

Least Common Multiple (LCM) of 6540 and 6544 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6540 and 6544. First we will calculate the prime factors of 6540 and 6544.

Prime Factorization of 6540

Prime factors of 6540 are 2, 3, 5, 109. Prime factorization of 6540 in exponential form is:

6540 = 22 × 31 × 51 × 1091

Prime Factorization of 6544

Prime factors of 6544 are 2, 409. Prime factorization of 6544 in exponential form is:

6544 = 24 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 6540 and 6544.

LCM(6540,6544) = 24 × 31 × 51 × 1091 × 4091
LCM(6540,6544) = 10699440