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What is the Least Common Multiple of 23218 and 23237?

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 23218 and 23237 is 28395614.

LCM(23218,23237) = 28395614

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Least Common Multiple of 23218 and 23237 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23218 and 23237, than apply into the LCM equation.

GCF(23218,23237) = 19
LCM(23218,23237) = ( 23218 × 23237) / 19
LCM(23218,23237) = 539516666 / 19
LCM(23218,23237) = 28395614

Least Common Multiple (LCM) of 23218 and 23237 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23218 and 23237. First we will calculate the prime factors of 23218 and 23237.

Prime Factorization of 23218

Prime factors of 23218 are 2, 13, 19, 47. Prime factorization of 23218 in exponential form is:

23218 = 21 × 131 × 191 × 471

Prime Factorization of 23237

Prime factors of 23237 are 19, 1223. Prime factorization of 23237 in exponential form is:

23237 = 191 × 12231

Now multiplying the highest exponent prime factors to calculate the LCM of 23218 and 23237.

LCM(23218,23237) = 21 × 131 × 191 × 471 × 12231
LCM(23218,23237) = 28395614