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What is the Least Common Multiple of 6236 and 6240?

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 6236 and 6240 is 9728160.

LCM(6236,6240) = 9728160

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Least Common Multiple of 6236 and 6240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6236 and 6240, than apply into the LCM equation.

GCF(6236,6240) = 4
LCM(6236,6240) = ( 6236 × 6240) / 4
LCM(6236,6240) = 38912640 / 4
LCM(6236,6240) = 9728160

Least Common Multiple (LCM) of 6236 and 6240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6236 and 6240. First we will calculate the prime factors of 6236 and 6240.

Prime Factorization of 6236

Prime factors of 6236 are 2, 1559. Prime factorization of 6236 in exponential form is:

6236 = 22 × 15591

Prime Factorization of 6240

Prime factors of 6240 are 2, 3, 5, 13. Prime factorization of 6240 in exponential form is:

6240 = 25 × 31 × 51 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 6236 and 6240.

LCM(6236,6240) = 25 × 15591 × 31 × 51 × 131
LCM(6236,6240) = 9728160