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What is the Least Common Multiple of 1894 and 1902?

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 1894 and 1902 is 1801194.

LCM(1894,1902) = 1801194

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Least Common Multiple of 1894 and 1902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1894 and 1902, than apply into the LCM equation.

GCF(1894,1902) = 2
LCM(1894,1902) = ( 1894 × 1902) / 2
LCM(1894,1902) = 3602388 / 2
LCM(1894,1902) = 1801194

Least Common Multiple (LCM) of 1894 and 1902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1894 and 1902. First we will calculate the prime factors of 1894 and 1902.

Prime Factorization of 1894

Prime factors of 1894 are 2, 947. Prime factorization of 1894 in exponential form is:

1894 = 21 × 9471

Prime Factorization of 1902

Prime factors of 1902 are 2, 3, 317. Prime factorization of 1902 in exponential form is:

1902 = 21 × 31 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 1894 and 1902.

LCM(1894,1902) = 21 × 9471 × 31 × 3171
LCM(1894,1902) = 1801194