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What is the Least Common Multiple of 2790 and 2797?

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 2790 and 2797 is 7803630.

LCM(2790,2797) = 7803630

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Least Common Multiple of 2790 and 2797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2790 and 2797, than apply into the LCM equation.

GCF(2790,2797) = 1
LCM(2790,2797) = ( 2790 × 2797) / 1
LCM(2790,2797) = 7803630 / 1
LCM(2790,2797) = 7803630

Least Common Multiple (LCM) of 2790 and 2797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2790 and 2797. First we will calculate the prime factors of 2790 and 2797.

Prime Factorization of 2790

Prime factors of 2790 are 2, 3, 5, 31. Prime factorization of 2790 in exponential form is:

2790 = 21 × 32 × 51 × 311

Prime Factorization of 2797

Prime factors of 2797 are 2797. Prime factorization of 2797 in exponential form is:

2797 = 27971

Now multiplying the highest exponent prime factors to calculate the LCM of 2790 and 2797.

LCM(2790,2797) = 21 × 32 × 51 × 311 × 27971
LCM(2790,2797) = 7803630