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What is the Least Common Multiple of 4238 and 4249?

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 4238 and 4249 is 18007262.

LCM(4238,4249) = 18007262

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Least Common Multiple of 4238 and 4249 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4238 and 4249, than apply into the LCM equation.

GCF(4238,4249) = 1
LCM(4238,4249) = ( 4238 × 4249) / 1
LCM(4238,4249) = 18007262 / 1
LCM(4238,4249) = 18007262

Least Common Multiple (LCM) of 4238 and 4249 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4238 and 4249. First we will calculate the prime factors of 4238 and 4249.

Prime Factorization of 4238

Prime factors of 4238 are 2, 13, 163. Prime factorization of 4238 in exponential form is:

4238 = 21 × 131 × 1631

Prime Factorization of 4249

Prime factors of 4249 are 7, 607. Prime factorization of 4249 in exponential form is:

4249 = 71 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 4238 and 4249.

LCM(4238,4249) = 21 × 131 × 1631 × 71 × 6071
LCM(4238,4249) = 18007262