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What is the Least Common Multiple of 7936 and 7948?

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 7936 and 7948 is 15768832.

LCM(7936,7948) = 15768832

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Least Common Multiple of 7936 and 7948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7936 and 7948, than apply into the LCM equation.

GCF(7936,7948) = 4
LCM(7936,7948) = ( 7936 × 7948) / 4
LCM(7936,7948) = 63075328 / 4
LCM(7936,7948) = 15768832

Least Common Multiple (LCM) of 7936 and 7948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7936 and 7948. First we will calculate the prime factors of 7936 and 7948.

Prime Factorization of 7936

Prime factors of 7936 are 2, 31. Prime factorization of 7936 in exponential form is:

7936 = 28 × 311

Prime Factorization of 7948

Prime factors of 7948 are 2, 1987. Prime factorization of 7948 in exponential form is:

7948 = 22 × 19871

Now multiplying the highest exponent prime factors to calculate the LCM of 7936 and 7948.

LCM(7936,7948) = 28 × 311 × 19871
LCM(7936,7948) = 15768832