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What is the Least Common Multiple of 65671 and 65681?

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 65671 and 65681 is 4313336951.

LCM(65671,65681) = 4313336951

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Least Common Multiple of 65671 and 65681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65671 and 65681, than apply into the LCM equation.

GCF(65671,65681) = 1
LCM(65671,65681) = ( 65671 × 65681) / 1
LCM(65671,65681) = 4313336951 / 1
LCM(65671,65681) = 4313336951

Least Common Multiple (LCM) of 65671 and 65681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65671 and 65681. First we will calculate the prime factors of 65671 and 65681.

Prime Factorization of 65671

Prime factors of 65671 are 17, 3863. Prime factorization of 65671 in exponential form is:

65671 = 171 × 38631

Prime Factorization of 65681

Prime factors of 65681 are 7, 11, 853. Prime factorization of 65681 in exponential form is:

65681 = 71 × 111 × 8531

Now multiplying the highest exponent prime factors to calculate the LCM of 65671 and 65681.

LCM(65671,65681) = 171 × 38631 × 71 × 111 × 8531
LCM(65671,65681) = 4313336951