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What is the Least Common Multiple of 65812 and 65816?

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 65812 and 65816 is 1082870648.

LCM(65812,65816) = 1082870648

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Least Common Multiple of 65812 and 65816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65812 and 65816, than apply into the LCM equation.

GCF(65812,65816) = 4
LCM(65812,65816) = ( 65812 × 65816) / 4
LCM(65812,65816) = 4331482592 / 4
LCM(65812,65816) = 1082870648

Least Common Multiple (LCM) of 65812 and 65816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65812 and 65816. First we will calculate the prime factors of 65812 and 65816.

Prime Factorization of 65812

Prime factors of 65812 are 2, 16453. Prime factorization of 65812 in exponential form is:

65812 = 22 × 164531

Prime Factorization of 65816

Prime factors of 65816 are 2, 19, 433. Prime factorization of 65816 in exponential form is:

65816 = 23 × 191 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 65812 and 65816.

LCM(65812,65816) = 23 × 164531 × 191 × 4331
LCM(65812,65816) = 1082870648