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What is the Least Common Multiple of 65465 and 65481?

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 65465 and 65481 is 4286713665.

LCM(65465,65481) = 4286713665

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Least Common Multiple of 65465 and 65481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65465 and 65481, than apply into the LCM equation.

GCF(65465,65481) = 1
LCM(65465,65481) = ( 65465 × 65481) / 1
LCM(65465,65481) = 4286713665 / 1
LCM(65465,65481) = 4286713665

Least Common Multiple (LCM) of 65465 and 65481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65465 and 65481. First we will calculate the prime factors of 65465 and 65481.

Prime Factorization of 65465

Prime factors of 65465 are 5, 13093. Prime factorization of 65465 in exponential form is:

65465 = 51 × 130931

Prime Factorization of 65481

Prime factors of 65481 are 3, 13, 23, 73. Prime factorization of 65481 in exponential form is:

65481 = 31 × 131 × 231 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 65465 and 65481.

LCM(65465,65481) = 51 × 130931 × 31 × 131 × 231 × 731
LCM(65465,65481) = 4286713665