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What is the Least Common Multiple of 65993 and 65997?

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 65993 and 65997 is 4355340021.

LCM(65993,65997) = 4355340021

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Least Common Multiple of 65993 and 65997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65993 and 65997, than apply into the LCM equation.

GCF(65993,65997) = 1
LCM(65993,65997) = ( 65993 × 65997) / 1
LCM(65993,65997) = 4355340021 / 1
LCM(65993,65997) = 4355340021

Least Common Multiple (LCM) of 65993 and 65997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65993 and 65997. First we will calculate the prime factors of 65993 and 65997.

Prime Factorization of 65993

Prime factors of 65993 are 65993. Prime factorization of 65993 in exponential form is:

65993 = 659931

Prime Factorization of 65997

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

65997 = 32 × 73331

Now multiplying the highest exponent prime factors to calculate the LCM of 65993 and 65997.

LCM(65993,65997) = 659931 × 32 × 73331
LCM(65993,65997) = 4355340021