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What is the Least Common Multiple of 2942 and 2946?

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 2942 and 2946 is 4333566.

LCM(2942,2946) = 4333566

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Least Common Multiple of 2942 and 2946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2942 and 2946, than apply into the LCM equation.

GCF(2942,2946) = 2
LCM(2942,2946) = ( 2942 × 2946) / 2
LCM(2942,2946) = 8667132 / 2
LCM(2942,2946) = 4333566

Least Common Multiple (LCM) of 2942 and 2946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2942 and 2946. First we will calculate the prime factors of 2942 and 2946.

Prime Factorization of 2942

Prime factors of 2942 are 2, 1471. Prime factorization of 2942 in exponential form is:

2942 = 21 × 14711

Prime Factorization of 2946

Prime factors of 2946 are 2, 3, 491. Prime factorization of 2946 in exponential form is:

2946 = 21 × 31 × 4911

Now multiplying the highest exponent prime factors to calculate the LCM of 2942 and 2946.

LCM(2942,2946) = 21 × 14711 × 31 × 4911
LCM(2942,2946) = 4333566