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What is the Least Common Multiple of 7657 and 7663?

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 7657 and 7663 is 58675591.

LCM(7657,7663) = 58675591

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Least Common Multiple of 7657 and 7663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7657 and 7663, than apply into the LCM equation.

GCF(7657,7663) = 1
LCM(7657,7663) = ( 7657 × 7663) / 1
LCM(7657,7663) = 58675591 / 1
LCM(7657,7663) = 58675591

Least Common Multiple (LCM) of 7657 and 7663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7657 and 7663. First we will calculate the prime factors of 7657 and 7663.

Prime Factorization of 7657

Prime factors of 7657 are 13, 19, 31. Prime factorization of 7657 in exponential form is:

7657 = 131 × 191 × 311

Prime Factorization of 7663

Prime factors of 7663 are 79, 97. Prime factorization of 7663 in exponential form is:

7663 = 791 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 7657 and 7663.

LCM(7657,7663) = 131 × 191 × 311 × 791 × 971
LCM(7657,7663) = 58675591