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What is the Least Common Multiple of 65689 and 65696?

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 65689 and 65696 is 4315504544.

LCM(65689,65696) = 4315504544

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Least Common Multiple of 65689 and 65696 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65689 and 65696, than apply into the LCM equation.

GCF(65689,65696) = 1
LCM(65689,65696) = ( 65689 × 65696) / 1
LCM(65689,65696) = 4315504544 / 1
LCM(65689,65696) = 4315504544

Least Common Multiple (LCM) of 65689 and 65696 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65689 and 65696. First we will calculate the prime factors of 65689 and 65696.

Prime Factorization of 65689

Prime factors of 65689 are 13, 31, 163. Prime factorization of 65689 in exponential form is:

65689 = 131 × 311 × 1631

Prime Factorization of 65696

Prime factors of 65696 are 2, 2053. Prime factorization of 65696 in exponential form is:

65696 = 25 × 20531

Now multiplying the highest exponent prime factors to calculate the LCM of 65689 and 65696.

LCM(65689,65696) = 131 × 311 × 1631 × 25 × 20531
LCM(65689,65696) = 4315504544