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What is the Least Common Multiple of 6610 and 6620?

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 6610 and 6620 is 4375820.

LCM(6610,6620) = 4375820

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Least Common Multiple of 6610 and 6620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6610 and 6620, than apply into the LCM equation.

GCF(6610,6620) = 10
LCM(6610,6620) = ( 6610 × 6620) / 10
LCM(6610,6620) = 43758200 / 10
LCM(6610,6620) = 4375820

Least Common Multiple (LCM) of 6610 and 6620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6610 and 6620. First we will calculate the prime factors of 6610 and 6620.

Prime Factorization of 6610

Prime factors of 6610 are 2, 5, 661. Prime factorization of 6610 in exponential form is:

6610 = 21 × 51 × 6611

Prime Factorization of 6620

Prime factors of 6620 are 2, 5, 331. Prime factorization of 6620 in exponential form is:

6620 = 22 × 51 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 6610 and 6620.

LCM(6610,6620) = 22 × 51 × 6611 × 3311
LCM(6610,6620) = 4375820