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What is the Least Common Multiple of 4257 and 4270?

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 4257 and 4270 is 18177390.

LCM(4257,4270) = 18177390

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Least Common Multiple of 4257 and 4270 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4257 and 4270, than apply into the LCM equation.

GCF(4257,4270) = 1
LCM(4257,4270) = ( 4257 × 4270) / 1
LCM(4257,4270) = 18177390 / 1
LCM(4257,4270) = 18177390

Least Common Multiple (LCM) of 4257 and 4270 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4257 and 4270. First we will calculate the prime factors of 4257 and 4270.

Prime Factorization of 4257

Prime factors of 4257 are 3, 11, 43. Prime factorization of 4257 in exponential form is:

4257 = 32 × 111 × 431

Prime Factorization of 4270

Prime factors of 4270 are 2, 5, 7, 61. Prime factorization of 4270 in exponential form is:

4270 = 21 × 51 × 71 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 4257 and 4270.

LCM(4257,4270) = 32 × 111 × 431 × 21 × 51 × 71 × 611
LCM(4257,4270) = 18177390