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What is the Least Common Multiple of 66805 and 66813?

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 66805 and 66813 is 4463442465.

LCM(66805,66813) = 4463442465

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Least Common Multiple of 66805 and 66813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66805 and 66813, than apply into the LCM equation.

GCF(66805,66813) = 1
LCM(66805,66813) = ( 66805 × 66813) / 1
LCM(66805,66813) = 4463442465 / 1
LCM(66805,66813) = 4463442465

Least Common Multiple (LCM) of 66805 and 66813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66805 and 66813. First we will calculate the prime factors of 66805 and 66813.

Prime Factorization of 66805

Prime factors of 66805 are 5, 31, 431. Prime factorization of 66805 in exponential form is:

66805 = 51 × 311 × 4311

Prime Factorization of 66813

Prime factors of 66813 are 3, 22271. Prime factorization of 66813 in exponential form is:

66813 = 31 × 222711

Now multiplying the highest exponent prime factors to calculate the LCM of 66805 and 66813.

LCM(66805,66813) = 51 × 311 × 4311 × 31 × 222711
LCM(66805,66813) = 4463442465