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What is the Least Common Multiple of 7557 and 7565?

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 7557 and 7565 is 57168705.

LCM(7557,7565) = 57168705

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Least Common Multiple of 7557 and 7565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7557 and 7565, than apply into the LCM equation.

GCF(7557,7565) = 1
LCM(7557,7565) = ( 7557 × 7565) / 1
LCM(7557,7565) = 57168705 / 1
LCM(7557,7565) = 57168705

Least Common Multiple (LCM) of 7557 and 7565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7557 and 7565. First we will calculate the prime factors of 7557 and 7565.

Prime Factorization of 7557

Prime factors of 7557 are 3, 11, 229. Prime factorization of 7557 in exponential form is:

7557 = 31 × 111 × 2291

Prime Factorization of 7565

Prime factors of 7565 are 5, 17, 89. Prime factorization of 7565 in exponential form is:

7565 = 51 × 171 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 7557 and 7565.

LCM(7557,7565) = 31 × 111 × 2291 × 51 × 171 × 891
LCM(7557,7565) = 57168705