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What is the Least Common Multiple of 66238 and 66254?

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 66238 and 66254 is 2194266226.

LCM(66238,66254) = 2194266226

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Least Common Multiple of 66238 and 66254 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66238 and 66254, than apply into the LCM equation.

GCF(66238,66254) = 2
LCM(66238,66254) = ( 66238 × 66254) / 2
LCM(66238,66254) = 4388532452 / 2
LCM(66238,66254) = 2194266226

Least Common Multiple (LCM) of 66238 and 66254 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66238 and 66254. First we will calculate the prime factors of 66238 and 66254.

Prime Factorization of 66238

Prime factors of 66238 are 2, 33119. Prime factorization of 66238 in exponential form is:

66238 = 21 × 331191

Prime Factorization of 66254

Prime factors of 66254 are 2, 157, 211. Prime factorization of 66254 in exponential form is:

66254 = 21 × 1571 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 66238 and 66254.

LCM(66238,66254) = 21 × 331191 × 1571 × 2111
LCM(66238,66254) = 2194266226