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What is the Least Common Multiple of 65549 and 65569?

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 65549 and 65569 is 4297982381.

LCM(65549,65569) = 4297982381

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Least Common Multiple of 65549 and 65569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65549 and 65569, than apply into the LCM equation.

GCF(65549,65569) = 1
LCM(65549,65569) = ( 65549 × 65569) / 1
LCM(65549,65569) = 4297982381 / 1
LCM(65549,65569) = 4297982381

Least Common Multiple (LCM) of 65549 and 65569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65549 and 65569. First we will calculate the prime factors of 65549 and 65569.

Prime Factorization of 65549

Prime factors of 65549 are 11, 59, 101. Prime factorization of 65549 in exponential form is:

65549 = 111 × 591 × 1011

Prime Factorization of 65569

Prime factors of 65569 are 7, 17, 19, 29. Prime factorization of 65569 in exponential form is:

65569 = 71 × 171 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 65549 and 65569.

LCM(65549,65569) = 111 × 591 × 1011 × 71 × 171 × 191 × 291
LCM(65549,65569) = 4297982381