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What is the Least Common Multiple of 66939 and 66949?

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 66939 and 66949 is 4481499111.

LCM(66939,66949) = 4481499111

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Least Common Multiple of 66939 and 66949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66939 and 66949, than apply into the LCM equation.

GCF(66939,66949) = 1
LCM(66939,66949) = ( 66939 × 66949) / 1
LCM(66939,66949) = 4481499111 / 1
LCM(66939,66949) = 4481499111

Least Common Multiple (LCM) of 66939 and 66949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66939 and 66949. First we will calculate the prime factors of 66939 and 66949.

Prime Factorization of 66939

Prime factors of 66939 are 3, 53, 421. Prime factorization of 66939 in exponential form is:

66939 = 31 × 531 × 4211

Prime Factorization of 66949

Prime factors of 66949 are 66949. Prime factorization of 66949 in exponential form is:

66949 = 669491

Now multiplying the highest exponent prime factors to calculate the LCM of 66939 and 66949.

LCM(66939,66949) = 31 × 531 × 4211 × 669491
LCM(66939,66949) = 4481499111