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What is the Least Common Multiple of 64889 and 64897?

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 64889 and 64897 is 4211101433.

LCM(64889,64897) = 4211101433

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Least Common Multiple of 64889 and 64897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64889 and 64897, than apply into the LCM equation.

GCF(64889,64897) = 1
LCM(64889,64897) = ( 64889 × 64897) / 1
LCM(64889,64897) = 4211101433 / 1
LCM(64889,64897) = 4211101433

Least Common Multiple (LCM) of 64889 and 64897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64889 and 64897. First we will calculate the prime factors of 64889 and 64897.

Prime Factorization of 64889

Prime factors of 64889 are 11, 17, 347. Prime factorization of 64889 in exponential form is:

64889 = 111 × 171 × 3471

Prime Factorization of 64897

Prime factors of 64897 are 7, 73, 127. Prime factorization of 64897 in exponential form is:

64897 = 71 × 731 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 64889 and 64897.

LCM(64889,64897) = 111 × 171 × 3471 × 71 × 731 × 1271
LCM(64889,64897) = 4211101433