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What is the Least Common Multiple of 68960 and 68966?

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 68960 and 68966 is 2377947680.

LCM(68960,68966) = 2377947680

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Least Common Multiple of 68960 and 68966 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68960 and 68966, than apply into the LCM equation.

GCF(68960,68966) = 2
LCM(68960,68966) = ( 68960 × 68966) / 2
LCM(68960,68966) = 4755895360 / 2
LCM(68960,68966) = 2377947680

Least Common Multiple (LCM) of 68960 and 68966 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68960 and 68966. First we will calculate the prime factors of 68960 and 68966.

Prime Factorization of 68960

Prime factors of 68960 are 2, 5, 431. Prime factorization of 68960 in exponential form is:

68960 = 25 × 51 × 4311

Prime Factorization of 68966

Prime factors of 68966 are 2, 34483. Prime factorization of 68966 in exponential form is:

68966 = 21 × 344831

Now multiplying the highest exponent prime factors to calculate the LCM of 68960 and 68966.

LCM(68960,68966) = 25 × 51 × 4311 × 344831
LCM(68960,68966) = 2377947680