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What is the Least Common Multiple of 65997 and 66005?

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 65997 and 66005 is 4356131985.

LCM(65997,66005) = 4356131985

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Least Common Multiple of 65997 and 66005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65997 and 66005, than apply into the LCM equation.

GCF(65997,66005) = 1
LCM(65997,66005) = ( 65997 × 66005) / 1
LCM(65997,66005) = 4356131985 / 1
LCM(65997,66005) = 4356131985

Least Common Multiple (LCM) of 65997 and 66005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65997 and 66005. First we will calculate the prime factors of 65997 and 66005.

Prime Factorization of 65997

Prime factors of 65997 are 3, 7333. Prime factorization of 65997 in exponential form is:

65997 = 32 × 73331

Prime Factorization of 66005

Prime factors of 66005 are 5, 43, 307. Prime factorization of 66005 in exponential form is:

66005 = 51 × 431 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 65997 and 66005.

LCM(65997,66005) = 32 × 73331 × 51 × 431 × 3071
LCM(65997,66005) = 4356131985