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What is the Least Common Multiple of 2190 and 2194?

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 2190 and 2194 is 2402430.

LCM(2190,2194) = 2402430

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Least Common Multiple of 2190 and 2194 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2190 and 2194, than apply into the LCM equation.

GCF(2190,2194) = 2
LCM(2190,2194) = ( 2190 × 2194) / 2
LCM(2190,2194) = 4804860 / 2
LCM(2190,2194) = 2402430

Least Common Multiple (LCM) of 2190 and 2194 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2190 and 2194. First we will calculate the prime factors of 2190 and 2194.

Prime Factorization of 2190

Prime factors of 2190 are 2, 3, 5, 73. Prime factorization of 2190 in exponential form is:

2190 = 21 × 31 × 51 × 731

Prime Factorization of 2194

Prime factors of 2194 are 2, 1097. Prime factorization of 2194 in exponential form is:

2194 = 21 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 2190 and 2194.

LCM(2190,2194) = 21 × 31 × 51 × 731 × 10971
LCM(2190,2194) = 2402430