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What is the Least Common Multiple of 7975 and 7983?

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 7975 and 7983 is 63664425.

LCM(7975,7983) = 63664425

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Least Common Multiple of 7975 and 7983 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7975 and 7983, than apply into the LCM equation.

GCF(7975,7983) = 1
LCM(7975,7983) = ( 7975 × 7983) / 1
LCM(7975,7983) = 63664425 / 1
LCM(7975,7983) = 63664425

Least Common Multiple (LCM) of 7975 and 7983 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7975 and 7983. First we will calculate the prime factors of 7975 and 7983.

Prime Factorization of 7975

Prime factors of 7975 are 5, 11, 29. Prime factorization of 7975 in exponential form is:

7975 = 52 × 111 × 291

Prime Factorization of 7983

Prime factors of 7983 are 3, 887. Prime factorization of 7983 in exponential form is:

7983 = 32 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 7975 and 7983.

LCM(7975,7983) = 52 × 111 × 291 × 32 × 8871
LCM(7975,7983) = 63664425