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What is the Least Common Multiple of 6665 and 6680?

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 6665 and 6680 is 8904440.

LCM(6665,6680) = 8904440

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Least Common Multiple of 6665 and 6680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6665 and 6680, than apply into the LCM equation.

GCF(6665,6680) = 5
LCM(6665,6680) = ( 6665 × 6680) / 5
LCM(6665,6680) = 44522200 / 5
LCM(6665,6680) = 8904440

Least Common Multiple (LCM) of 6665 and 6680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6665 and 6680. First we will calculate the prime factors of 6665 and 6680.

Prime Factorization of 6665

Prime factors of 6665 are 5, 31, 43. Prime factorization of 6665 in exponential form is:

6665 = 51 × 311 × 431

Prime Factorization of 6680

Prime factors of 6680 are 2, 5, 167. Prime factorization of 6680 in exponential form is:

6680 = 23 × 51 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 6665 and 6680.

LCM(6665,6680) = 51 × 311 × 431 × 23 × 1671
LCM(6665,6680) = 8904440