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What is the Least Common Multiple of 7932 and 7938?

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 7932 and 7938 is 10494036.

LCM(7932,7938) = 10494036

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Least Common Multiple of 7932 and 7938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7932 and 7938, than apply into the LCM equation.

GCF(7932,7938) = 6
LCM(7932,7938) = ( 7932 × 7938) / 6
LCM(7932,7938) = 62964216 / 6
LCM(7932,7938) = 10494036

Least Common Multiple (LCM) of 7932 and 7938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7932 and 7938. First we will calculate the prime factors of 7932 and 7938.

Prime Factorization of 7932

Prime factors of 7932 are 2, 3, 661. Prime factorization of 7932 in exponential form is:

7932 = 22 × 31 × 6611

Prime Factorization of 7938

Prime factors of 7938 are 2, 3, 7. Prime factorization of 7938 in exponential form is:

7938 = 21 × 34 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 7932 and 7938.

LCM(7932,7938) = 22 × 34 × 6611 × 72
LCM(7932,7938) = 10494036