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What is the Least Common Multiple of 2475 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 2475 and 2485 is 1230075.

LCM(2475,2485) = 1230075

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Least Common Multiple of 2475 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 2475 and 2485, than apply into the LCM equation.

GCF(2475,2485) = 5
LCM(2475,2485) = ( 2475 × 2485) / 5
LCM(2475,2485) = 6150375 / 5
LCM(2475,2485) = 1230075

Least Common Multiple (LCM) of 2475 and 2485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2475 and 2485. First we will calculate the prime factors of 2475 and 2485.

Prime Factorization of 2475

Prime factors of 2475 are 3, 5, 11. Prime factorization of 2475 in exponential form is:

2475 = 32 × 52 × 111

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 2475 and 2485.

LCM(2475,2485) = 32 × 52 × 111 × 71 × 711
LCM(2475,2485) = 1230075