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What is the Least Common Multiple of 66985 and 67005?

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 66985 and 67005 is 897665985.

LCM(66985,67005) = 897665985

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Least Common Multiple of 66985 and 67005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66985 and 67005, than apply into the LCM equation.

GCF(66985,67005) = 5
LCM(66985,67005) = ( 66985 × 67005) / 5
LCM(66985,67005) = 4488329925 / 5
LCM(66985,67005) = 897665985

Least Common Multiple (LCM) of 66985 and 67005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66985 and 67005. First we will calculate the prime factors of 66985 and 67005.

Prime Factorization of 66985

Prime factors of 66985 are 5, 13397. Prime factorization of 66985 in exponential form is:

66985 = 51 × 133971

Prime Factorization of 67005

Prime factors of 67005 are 3, 5, 1489. Prime factorization of 67005 in exponential form is:

67005 = 32 × 51 × 14891

Now multiplying the highest exponent prime factors to calculate the LCM of 66985 and 67005.

LCM(66985,67005) = 51 × 133971 × 32 × 14891
LCM(66985,67005) = 897665985