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What is the Least Common Multiple of 6437 and 6455?

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 6437 and 6455 is 41550835.

LCM(6437,6455) = 41550835

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Least Common Multiple of 6437 and 6455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6437 and 6455, than apply into the LCM equation.

GCF(6437,6455) = 1
LCM(6437,6455) = ( 6437 × 6455) / 1
LCM(6437,6455) = 41550835 / 1
LCM(6437,6455) = 41550835

Least Common Multiple (LCM) of 6437 and 6455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6437 and 6455. First we will calculate the prime factors of 6437 and 6455.

Prime Factorization of 6437

Prime factors of 6437 are 41, 157. Prime factorization of 6437 in exponential form is:

6437 = 411 × 1571

Prime Factorization of 6455

Prime factors of 6455 are 5, 1291. Prime factorization of 6455 in exponential form is:

6455 = 51 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 6437 and 6455.

LCM(6437,6455) = 411 × 1571 × 51 × 12911
LCM(6437,6455) = 41550835