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What is the Least Common Multiple of 1796 and 1813?

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 1796 and 1813 is 3256148.

LCM(1796,1813) = 3256148

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Least Common Multiple of 1796 and 1813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1796 and 1813, than apply into the LCM equation.

GCF(1796,1813) = 1
LCM(1796,1813) = ( 1796 × 1813) / 1
LCM(1796,1813) = 3256148 / 1
LCM(1796,1813) = 3256148

Least Common Multiple (LCM) of 1796 and 1813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1796 and 1813. First we will calculate the prime factors of 1796 and 1813.

Prime Factorization of 1796

Prime factors of 1796 are 2, 449. Prime factorization of 1796 in exponential form is:

1796 = 22 × 4491

Prime Factorization of 1813

Prime factors of 1813 are 7, 37. Prime factorization of 1813 in exponential form is:

1813 = 72 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 1796 and 1813.

LCM(1796,1813) = 22 × 4491 × 72 × 371
LCM(1796,1813) = 3256148