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What is the Least Common Multiple of 67661 and 67674?

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 67661 and 67674 is 4578890514.

LCM(67661,67674) = 4578890514

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Least Common Multiple of 67661 and 67674 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67661 and 67674, than apply into the LCM equation.

GCF(67661,67674) = 1
LCM(67661,67674) = ( 67661 × 67674) / 1
LCM(67661,67674) = 4578890514 / 1
LCM(67661,67674) = 4578890514

Least Common Multiple (LCM) of 67661 and 67674 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67661 and 67674. First we will calculate the prime factors of 67661 and 67674.

Prime Factorization of 67661

Prime factors of 67661 are 11, 6151. Prime factorization of 67661 in exponential form is:

67661 = 111 × 61511

Prime Factorization of 67674

Prime factors of 67674 are 2, 3, 11279. Prime factorization of 67674 in exponential form is:

67674 = 21 × 31 × 112791

Now multiplying the highest exponent prime factors to calculate the LCM of 67661 and 67674.

LCM(67661,67674) = 111 × 61511 × 21 × 31 × 112791
LCM(67661,67674) = 4578890514