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What is the Least Common Multiple of 66370 and 66381?

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 66370 and 66381 is 4405706970.

LCM(66370,66381) = 4405706970

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Least Common Multiple of 66370 and 66381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66370 and 66381, than apply into the LCM equation.

GCF(66370,66381) = 1
LCM(66370,66381) = ( 66370 × 66381) / 1
LCM(66370,66381) = 4405706970 / 1
LCM(66370,66381) = 4405706970

Least Common Multiple (LCM) of 66370 and 66381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66370 and 66381. First we will calculate the prime factors of 66370 and 66381.

Prime Factorization of 66370

Prime factors of 66370 are 2, 5, 6637. Prime factorization of 66370 in exponential form is:

66370 = 21 × 51 × 66371

Prime Factorization of 66381

Prime factors of 66381 are 3, 7, 29, 109. Prime factorization of 66381 in exponential form is:

66381 = 31 × 71 × 291 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 66370 and 66381.

LCM(66370,66381) = 21 × 51 × 66371 × 31 × 71 × 291 × 1091
LCM(66370,66381) = 4405706970