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What is the Least Common Multiple of 43942 and 43946?

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 43942 and 43946 is 965537566.

LCM(43942,43946) = 965537566

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Least Common Multiple of 43942 and 43946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43942 and 43946, than apply into the LCM equation.

GCF(43942,43946) = 2
LCM(43942,43946) = ( 43942 × 43946) / 2
LCM(43942,43946) = 1931075132 / 2
LCM(43942,43946) = 965537566

Least Common Multiple (LCM) of 43942 and 43946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43942 and 43946. First we will calculate the prime factors of 43942 and 43946.

Prime Factorization of 43942

Prime factors of 43942 are 2, 127, 173. Prime factorization of 43942 in exponential form is:

43942 = 21 × 1271 × 1731

Prime Factorization of 43946

Prime factors of 43946 are 2, 7, 43, 73. Prime factorization of 43946 in exponential form is:

43946 = 21 × 71 × 431 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 43942 and 43946.

LCM(43942,43946) = 21 × 1271 × 1731 × 71 × 431 × 731
LCM(43942,43946) = 965537566