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What is the Least Common Multiple of 51942 and 51946?

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 51942 and 51946 is 1349089566.

LCM(51942,51946) = 1349089566

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Least Common Multiple of 51942 and 51946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51942 and 51946, than apply into the LCM equation.

GCF(51942,51946) = 2
LCM(51942,51946) = ( 51942 × 51946) / 2
LCM(51942,51946) = 2698179132 / 2
LCM(51942,51946) = 1349089566

Least Common Multiple (LCM) of 51942 and 51946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51942 and 51946. First we will calculate the prime factors of 51942 and 51946.

Prime Factorization of 51942

Prime factors of 51942 are 2, 3, 11, 787. Prime factorization of 51942 in exponential form is:

51942 = 21 × 31 × 111 × 7871

Prime Factorization of 51946

Prime factors of 51946 are 2, 19, 1367. Prime factorization of 51946 in exponential form is:

51946 = 21 × 191 × 13671

Now multiplying the highest exponent prime factors to calculate the LCM of 51942 and 51946.

LCM(51942,51946) = 21 × 31 × 111 × 7871 × 191 × 13671
LCM(51942,51946) = 1349089566