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What is the Least Common Multiple of 65909 and 65921?

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 65909 and 65921 is 4344787189.

LCM(65909,65921) = 4344787189

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Least Common Multiple of 65909 and 65921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65909 and 65921, than apply into the LCM equation.

GCF(65909,65921) = 1
LCM(65909,65921) = ( 65909 × 65921) / 1
LCM(65909,65921) = 4344787189 / 1
LCM(65909,65921) = 4344787189

Least Common Multiple (LCM) of 65909 and 65921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65909 and 65921. First we will calculate the prime factors of 65909 and 65921.

Prime Factorization of 65909

Prime factors of 65909 are 17, 3877. Prime factorization of 65909 in exponential form is:

65909 = 171 × 38771

Prime Factorization of 65921

Prime factors of 65921 are 65921. Prime factorization of 65921 in exponential form is:

65921 = 659211

Now multiplying the highest exponent prime factors to calculate the LCM of 65909 and 65921.

LCM(65909,65921) = 171 × 38771 × 659211
LCM(65909,65921) = 4344787189