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What is the Least Common Multiple of 6545 and 6554?

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 6545 and 6554 is 42895930.

LCM(6545,6554) = 42895930

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Least Common Multiple of 6545 and 6554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6545 and 6554, than apply into the LCM equation.

GCF(6545,6554) = 1
LCM(6545,6554) = ( 6545 × 6554) / 1
LCM(6545,6554) = 42895930 / 1
LCM(6545,6554) = 42895930

Least Common Multiple (LCM) of 6545 and 6554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6545 and 6554. First we will calculate the prime factors of 6545 and 6554.

Prime Factorization of 6545

Prime factors of 6545 are 5, 7, 11, 17. Prime factorization of 6545 in exponential form is:

6545 = 51 × 71 × 111 × 171

Prime Factorization of 6554

Prime factors of 6554 are 2, 29, 113. Prime factorization of 6554 in exponential form is:

6554 = 21 × 291 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 6545 and 6554.

LCM(6545,6554) = 51 × 71 × 111 × 171 × 21 × 291 × 1131
LCM(6545,6554) = 42895930