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What is the Least Common Multiple of 65535 and 65545?

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 65535 and 65545 is 859098315.

LCM(65535,65545) = 859098315

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Least Common Multiple of 65535 and 65545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65535 and 65545, than apply into the LCM equation.

GCF(65535,65545) = 5
LCM(65535,65545) = ( 65535 × 65545) / 5
LCM(65535,65545) = 4295491575 / 5
LCM(65535,65545) = 859098315

Least Common Multiple (LCM) of 65535 and 65545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65535 and 65545. First we will calculate the prime factors of 65535 and 65545.

Prime Factorization of 65535

Prime factors of 65535 are 3, 5, 17, 257. Prime factorization of 65535 in exponential form is:

65535 = 31 × 51 × 171 × 2571

Prime Factorization of 65545

Prime factors of 65545 are 5, 13109. Prime factorization of 65545 in exponential form is:

65545 = 51 × 131091

Now multiplying the highest exponent prime factors to calculate the LCM of 65535 and 65545.

LCM(65535,65545) = 31 × 51 × 171 × 2571 × 131091
LCM(65535,65545) = 859098315