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What is the Least Common Multiple of 65528 and 65546?

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 65528 and 65546 is 2147549144.

LCM(65528,65546) = 2147549144

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Least Common Multiple of 65528 and 65546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65528 and 65546, than apply into the LCM equation.

GCF(65528,65546) = 2
LCM(65528,65546) = ( 65528 × 65546) / 2
LCM(65528,65546) = 4295098288 / 2
LCM(65528,65546) = 2147549144

Least Common Multiple (LCM) of 65528 and 65546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65528 and 65546. First we will calculate the prime factors of 65528 and 65546.

Prime Factorization of 65528

Prime factors of 65528 are 2, 8191. Prime factorization of 65528 in exponential form is:

65528 = 23 × 81911

Prime Factorization of 65546

Prime factors of 65546 are 2, 13, 2521. Prime factorization of 65546 in exponential form is:

65546 = 21 × 131 × 25211

Now multiplying the highest exponent prime factors to calculate the LCM of 65528 and 65546.

LCM(65528,65546) = 23 × 81911 × 131 × 25211
LCM(65528,65546) = 2147549144