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What is the Least Common Multiple of 7921 and 7936?

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 7921 and 7936 is 62861056.

LCM(7921,7936) = 62861056

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Least Common Multiple of 7921 and 7936 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7921 and 7936, than apply into the LCM equation.

GCF(7921,7936) = 1
LCM(7921,7936) = ( 7921 × 7936) / 1
LCM(7921,7936) = 62861056 / 1
LCM(7921,7936) = 62861056

Least Common Multiple (LCM) of 7921 and 7936 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7921 and 7936. First we will calculate the prime factors of 7921 and 7936.

Prime Factorization of 7921

Prime factors of 7921 are 89. Prime factorization of 7921 in exponential form is:

7921 = 892

Prime Factorization of 7936

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

7936 = 28 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 7921 and 7936.

LCM(7921,7936) = 892 × 28 × 311
LCM(7921,7936) = 62861056