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What is the Least Common Multiple of 67668 and 67679?

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 67668 and 67679 is 4579702572.

LCM(67668,67679) = 4579702572

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Least Common Multiple of 67668 and 67679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67668 and 67679, than apply into the LCM equation.

GCF(67668,67679) = 1
LCM(67668,67679) = ( 67668 × 67679) / 1
LCM(67668,67679) = 4579702572 / 1
LCM(67668,67679) = 4579702572

Least Common Multiple (LCM) of 67668 and 67679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67668 and 67679. First we will calculate the prime factors of 67668 and 67679.

Prime Factorization of 67668

Prime factors of 67668 are 2, 3, 5639. Prime factorization of 67668 in exponential form is:

67668 = 22 × 31 × 56391

Prime Factorization of 67679

Prime factors of 67679 are 67679. Prime factorization of 67679 in exponential form is:

67679 = 676791

Now multiplying the highest exponent prime factors to calculate the LCM of 67668 and 67679.

LCM(67668,67679) = 22 × 31 × 56391 × 676791
LCM(67668,67679) = 4579702572