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What is the Least Common Multiple of 4238 and 4248?

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 4248 is 9001512.

LCM(4238,4248) = 9001512

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Least Common Multiple of 4238 and 4248 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 4248, than apply into the LCM equation.

GCF(4238,4248) = 2
LCM(4238,4248) = ( 4238 × 4248) / 2
LCM(4238,4248) = 18003024 / 2
LCM(4238,4248) = 9001512

Least Common Multiple (LCM) of 4238 and 4248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4238 and 4248. First we will calculate the prime factors of 4238 and 4248.

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 4248

Prime factors of 4248 are 2, 3, 59. Prime factorization of 4248 in exponential form is:

4248 = 23 × 32 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 4238 and 4248.

LCM(4238,4248) = 23 × 131 × 1631 × 32 × 591
LCM(4238,4248) = 9001512