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What is the Least Common Multiple of 2190 and 2203?

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 2203 is 4824570.

LCM(2190,2203) = 4824570

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Least Common Multiple of 2190 and 2203 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 2203, than apply into the LCM equation.

GCF(2190,2203) = 1
LCM(2190,2203) = ( 2190 × 2203) / 1
LCM(2190,2203) = 4824570 / 1
LCM(2190,2203) = 4824570

Least Common Multiple (LCM) of 2190 and 2203 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2190 and 2203. First we will calculate the prime factors of 2190 and 2203.

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 2203

Prime factors of 2203 are 2203. Prime factorization of 2203 in exponential form is:

2203 = 22031

Now multiplying the highest exponent prime factors to calculate the LCM of 2190 and 2203.

LCM(2190,2203) = 21 × 31 × 51 × 731 × 22031
LCM(2190,2203) = 4824570