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What is the Least Common Multiple of 67659 and 67663?

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 67659 and 67663 is 4578010917.

LCM(67659,67663) = 4578010917

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Least Common Multiple of 67659 and 67663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67659 and 67663, than apply into the LCM equation.

GCF(67659,67663) = 1
LCM(67659,67663) = ( 67659 × 67663) / 1
LCM(67659,67663) = 4578010917 / 1
LCM(67659,67663) = 4578010917

Least Common Multiple (LCM) of 67659 and 67663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67659 and 67663. First we will calculate the prime factors of 67659 and 67663.

Prime Factorization of 67659

Prime factors of 67659 are 3, 19, 1187. Prime factorization of 67659 in exponential form is:

67659 = 31 × 191 × 11871

Prime Factorization of 67663

Prime factors of 67663 are 71, 953. Prime factorization of 67663 in exponential form is:

67663 = 711 × 9531

Now multiplying the highest exponent prime factors to calculate the LCM of 67659 and 67663.

LCM(67659,67663) = 31 × 191 × 11871 × 711 × 9531
LCM(67659,67663) = 4578010917