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What is the Least Common Multiple of 8045 and 8065?

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 8045 and 8065 is 12976585.

LCM(8045,8065) = 12976585

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Least Common Multiple of 8045 and 8065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8045 and 8065, than apply into the LCM equation.

GCF(8045,8065) = 5
LCM(8045,8065) = ( 8045 × 8065) / 5
LCM(8045,8065) = 64882925 / 5
LCM(8045,8065) = 12976585

Least Common Multiple (LCM) of 8045 and 8065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8045 and 8065. First we will calculate the prime factors of 8045 and 8065.

Prime Factorization of 8045

Prime factors of 8045 are 5, 1609. Prime factorization of 8045 in exponential form is:

8045 = 51 × 16091

Prime Factorization of 8065

Prime factors of 8065 are 5, 1613. Prime factorization of 8065 in exponential form is:

8065 = 51 × 16131

Now multiplying the highest exponent prime factors to calculate the LCM of 8045 and 8065.

LCM(8045,8065) = 51 × 16091 × 16131
LCM(8045,8065) = 12976585