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What is the Least Common Multiple of 67657 and 67666?

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 67657 and 67666 is 4578078562.

LCM(67657,67666) = 4578078562

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Least Common Multiple of 67657 and 67666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67657 and 67666, than apply into the LCM equation.

GCF(67657,67666) = 1
LCM(67657,67666) = ( 67657 × 67666) / 1
LCM(67657,67666) = 4578078562 / 1
LCM(67657,67666) = 4578078562

Least Common Multiple (LCM) of 67657 and 67666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67657 and 67666. First we will calculate the prime factors of 67657 and 67666.

Prime Factorization of 67657

Prime factors of 67657 are 29, 2333. Prime factorization of 67657 in exponential form is:

67657 = 291 × 23331

Prime Factorization of 67666

Prime factors of 67666 are 2, 23, 1471. Prime factorization of 67666 in exponential form is:

67666 = 21 × 231 × 14711

Now multiplying the highest exponent prime factors to calculate the LCM of 67657 and 67666.

LCM(67657,67666) = 291 × 23331 × 21 × 231 × 14711
LCM(67657,67666) = 4578078562