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What is the Least Common Multiple of 65521 and 65533?

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 65521 and 65533 is 4293787693.

LCM(65521,65533) = 4293787693

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Least Common Multiple of 65521 and 65533 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65521 and 65533, than apply into the LCM equation.

GCF(65521,65533) = 1
LCM(65521,65533) = ( 65521 × 65533) / 1
LCM(65521,65533) = 4293787693 / 1
LCM(65521,65533) = 4293787693

Least Common Multiple (LCM) of 65521 and 65533 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65521 and 65533. First we will calculate the prime factors of 65521 and 65533.

Prime Factorization of 65521

Prime factors of 65521 are 65521. Prime factorization of 65521 in exponential form is:

65521 = 655211

Prime Factorization of 65533

Prime factors of 65533 are 13, 71. Prime factorization of 65533 in exponential form is:

65533 = 131 × 712

Now multiplying the highest exponent prime factors to calculate the LCM of 65521 and 65533.

LCM(65521,65533) = 655211 × 131 × 712
LCM(65521,65533) = 4293787693