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What is the Least Common Multiple of 7651 and 7665?

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 7651 and 7665 is 8377845.

LCM(7651,7665) = 8377845

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Least Common Multiple of 7651 and 7665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7651 and 7665, than apply into the LCM equation.

GCF(7651,7665) = 7
LCM(7651,7665) = ( 7651 × 7665) / 7
LCM(7651,7665) = 58644915 / 7
LCM(7651,7665) = 8377845

Least Common Multiple (LCM) of 7651 and 7665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7651 and 7665. First we will calculate the prime factors of 7651 and 7665.

Prime Factorization of 7651

Prime factors of 7651 are 7, 1093. Prime factorization of 7651 in exponential form is:

7651 = 71 × 10931

Prime Factorization of 7665

Prime factors of 7665 are 3, 5, 7, 73. Prime factorization of 7665 in exponential form is:

7665 = 31 × 51 × 71 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 7651 and 7665.

LCM(7651,7665) = 71 × 10931 × 31 × 51 × 731
LCM(7651,7665) = 8377845