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What is the Least Common Multiple of 6808 and 6820?

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 6808 and 6820 is 11607640.

LCM(6808,6820) = 11607640

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Least Common Multiple of 6808 and 6820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6808 and 6820, than apply into the LCM equation.

GCF(6808,6820) = 4
LCM(6808,6820) = ( 6808 × 6820) / 4
LCM(6808,6820) = 46430560 / 4
LCM(6808,6820) = 11607640

Least Common Multiple (LCM) of 6808 and 6820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6808 and 6820. First we will calculate the prime factors of 6808 and 6820.

Prime Factorization of 6808

Prime factors of 6808 are 2, 23, 37. Prime factorization of 6808 in exponential form is:

6808 = 23 × 231 × 371

Prime Factorization of 6820

Prime factors of 6820 are 2, 5, 11, 31. Prime factorization of 6820 in exponential form is:

6820 = 22 × 51 × 111 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 6808 and 6820.

LCM(6808,6820) = 23 × 231 × 371 × 51 × 111 × 311
LCM(6808,6820) = 11607640