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What is the Least Common Multiple of 2085 and 2101?

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 2085 and 2101 is 4380585.

LCM(2085,2101) = 4380585

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Least Common Multiple of 2085 and 2101 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2085 and 2101, than apply into the LCM equation.

GCF(2085,2101) = 1
LCM(2085,2101) = ( 2085 × 2101) / 1
LCM(2085,2101) = 4380585 / 1
LCM(2085,2101) = 4380585

Least Common Multiple (LCM) of 2085 and 2101 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2085 and 2101. First we will calculate the prime factors of 2085 and 2101.

Prime Factorization of 2085

Prime factors of 2085 are 3, 5, 139. Prime factorization of 2085 in exponential form is:

2085 = 31 × 51 × 1391

Prime Factorization of 2101

Prime factors of 2101 are 11, 191. Prime factorization of 2101 in exponential form is:

2101 = 111 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 2085 and 2101.

LCM(2085,2101) = 31 × 51 × 1391 × 111 × 1911
LCM(2085,2101) = 4380585