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What is the Least Common Multiple of 65438 and 65444?

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 65438 and 65444 is 2141262236.

LCM(65438,65444) = 2141262236

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Least Common Multiple of 65438 and 65444 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65438 and 65444, than apply into the LCM equation.

GCF(65438,65444) = 2
LCM(65438,65444) = ( 65438 × 65444) / 2
LCM(65438,65444) = 4282524472 / 2
LCM(65438,65444) = 2141262236

Least Common Multiple (LCM) of 65438 and 65444 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65438 and 65444. First we will calculate the prime factors of 65438 and 65444.

Prime Factorization of 65438

Prime factors of 65438 are 2, 32719. Prime factorization of 65438 in exponential form is:

65438 = 21 × 327191

Prime Factorization of 65444

Prime factors of 65444 are 2, 16361. Prime factorization of 65444 in exponential form is:

65444 = 22 × 163611

Now multiplying the highest exponent prime factors to calculate the LCM of 65438 and 65444.

LCM(65438,65444) = 22 × 327191 × 163611
LCM(65438,65444) = 2141262236