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What is the Least Common Multiple of 3240 and 3257?

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 3240 and 3257 is 10552680.

LCM(3240,3257) = 10552680

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Least Common Multiple of 3240 and 3257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3240 and 3257, than apply into the LCM equation.

GCF(3240,3257) = 1
LCM(3240,3257) = ( 3240 × 3257) / 1
LCM(3240,3257) = 10552680 / 1
LCM(3240,3257) = 10552680

Least Common Multiple (LCM) of 3240 and 3257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3240 and 3257. First we will calculate the prime factors of 3240 and 3257.

Prime Factorization of 3240

Prime factors of 3240 are 2, 3, 5. Prime factorization of 3240 in exponential form is:

3240 = 23 × 34 × 51

Prime Factorization of 3257

Prime factors of 3257 are 3257. Prime factorization of 3257 in exponential form is:

3257 = 32571

Now multiplying the highest exponent prime factors to calculate the LCM of 3240 and 3257.

LCM(3240,3257) = 23 × 34 × 51 × 32571
LCM(3240,3257) = 10552680