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What is the Least Common Multiple of 65647 and 65661?

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 65647 and 65661 is 4310447667.

LCM(65647,65661) = 4310447667

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Least Common Multiple of 65647 and 65661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65647 and 65661, than apply into the LCM equation.

GCF(65647,65661) = 1
LCM(65647,65661) = ( 65647 × 65661) / 1
LCM(65647,65661) = 4310447667 / 1
LCM(65647,65661) = 4310447667

Least Common Multiple (LCM) of 65647 and 65661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65647 and 65661. First we will calculate the prime factors of 65647 and 65661.

Prime Factorization of 65647

Prime factors of 65647 are 65647. Prime factorization of 65647 in exponential form is:

65647 = 656471

Prime Factorization of 65661

Prime factors of 65661 are 3, 43, 509. Prime factorization of 65661 in exponential form is:

65661 = 31 × 431 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 65647 and 65661.

LCM(65647,65661) = 656471 × 31 × 431 × 5091
LCM(65647,65661) = 4310447667