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What is the Least Common Multiple of 2471 and 2485?

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 2471 and 2485 is 877205.

LCM(2471,2485) = 877205

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Least Common Multiple of 2471 and 2485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2471 and 2485, than apply into the LCM equation.

GCF(2471,2485) = 7
LCM(2471,2485) = ( 2471 × 2485) / 7
LCM(2471,2485) = 6140435 / 7
LCM(2471,2485) = 877205

Least Common Multiple (LCM) of 2471 and 2485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2471 and 2485. First we will calculate the prime factors of 2471 and 2485.

Prime Factorization of 2471

Prime factors of 2471 are 7, 353. Prime factorization of 2471 in exponential form is:

2471 = 71 × 3531

Prime Factorization of 2485

Prime factors of 2485 are 5, 7, 71. Prime factorization of 2485 in exponential form is:

2485 = 51 × 71 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 2471 and 2485.

LCM(2471,2485) = 71 × 3531 × 51 × 711
LCM(2471,2485) = 877205