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What is the Least Common Multiple of 7645 and 7653?

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 7645 and 7653 is 58507185.

LCM(7645,7653) = 58507185

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Least Common Multiple of 7645 and 7653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7645 and 7653, than apply into the LCM equation.

GCF(7645,7653) = 1
LCM(7645,7653) = ( 7645 × 7653) / 1
LCM(7645,7653) = 58507185 / 1
LCM(7645,7653) = 58507185

Least Common Multiple (LCM) of 7645 and 7653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7645 and 7653. First we will calculate the prime factors of 7645 and 7653.

Prime Factorization of 7645

Prime factors of 7645 are 5, 11, 139. Prime factorization of 7645 in exponential form is:

7645 = 51 × 111 × 1391

Prime Factorization of 7653

Prime factors of 7653 are 3, 2551. Prime factorization of 7653 in exponential form is:

7653 = 31 × 25511

Now multiplying the highest exponent prime factors to calculate the LCM of 7645 and 7653.

LCM(7645,7653) = 51 × 111 × 1391 × 31 × 25511
LCM(7645,7653) = 58507185