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What is the Least Common Multiple of 65690 and 65695?

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 65690 and 65695 is 863100910.

LCM(65690,65695) = 863100910

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Least Common Multiple of 65690 and 65695 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65690 and 65695, than apply into the LCM equation.

GCF(65690,65695) = 5
LCM(65690,65695) = ( 65690 × 65695) / 5
LCM(65690,65695) = 4315504550 / 5
LCM(65690,65695) = 863100910

Least Common Multiple (LCM) of 65690 and 65695 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65690 and 65695. First we will calculate the prime factors of 65690 and 65695.

Prime Factorization of 65690

Prime factors of 65690 are 2, 5, 6569. Prime factorization of 65690 in exponential form is:

65690 = 21 × 51 × 65691

Prime Factorization of 65695

Prime factors of 65695 are 5, 7, 1877. Prime factorization of 65695 in exponential form is:

65695 = 51 × 71 × 18771

Now multiplying the highest exponent prime factors to calculate the LCM of 65690 and 65695.

LCM(65690,65695) = 21 × 51 × 65691 × 71 × 18771
LCM(65690,65695) = 863100910