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What is the Least Common Multiple of 65644 and 65660?

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 65644 and 65660 is 1077546260.

LCM(65644,65660) = 1077546260

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Least Common Multiple of 65644 and 65660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65644 and 65660, than apply into the LCM equation.

GCF(65644,65660) = 4
LCM(65644,65660) = ( 65644 × 65660) / 4
LCM(65644,65660) = 4310185040 / 4
LCM(65644,65660) = 1077546260

Least Common Multiple (LCM) of 65644 and 65660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65644 and 65660. First we will calculate the prime factors of 65644 and 65660.

Prime Factorization of 65644

Prime factors of 65644 are 2, 16411. Prime factorization of 65644 in exponential form is:

65644 = 22 × 164111

Prime Factorization of 65660

Prime factors of 65660 are 2, 5, 7, 67. Prime factorization of 65660 in exponential form is:

65660 = 22 × 51 × 72 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 65644 and 65660.

LCM(65644,65660) = 22 × 164111 × 51 × 72 × 671
LCM(65644,65660) = 1077546260