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What is the Least Common Multiple of 3937 and 3946?

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 3937 and 3946 is 15535402.

LCM(3937,3946) = 15535402

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Least Common Multiple of 3937 and 3946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3937 and 3946, than apply into the LCM equation.

GCF(3937,3946) = 1
LCM(3937,3946) = ( 3937 × 3946) / 1
LCM(3937,3946) = 15535402 / 1
LCM(3937,3946) = 15535402

Least Common Multiple (LCM) of 3937 and 3946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3937 and 3946. First we will calculate the prime factors of 3937 and 3946.

Prime Factorization of 3937

Prime factors of 3937 are 31, 127. Prime factorization of 3937 in exponential form is:

3937 = 311 × 1271

Prime Factorization of 3946

Prime factors of 3946 are 2, 1973. Prime factorization of 3946 in exponential form is:

3946 = 21 × 19731

Now multiplying the highest exponent prime factors to calculate the LCM of 3937 and 3946.

LCM(3937,3946) = 311 × 1271 × 21 × 19731
LCM(3937,3946) = 15535402