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What is the Least Common Multiple of 64790 and 64797?

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 64790 and 64797 is 4198197630.

LCM(64790,64797) = 4198197630

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Least Common Multiple of 64790 and 64797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64790 and 64797, than apply into the LCM equation.

GCF(64790,64797) = 1
LCM(64790,64797) = ( 64790 × 64797) / 1
LCM(64790,64797) = 4198197630 / 1
LCM(64790,64797) = 4198197630

Least Common Multiple (LCM) of 64790 and 64797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64790 and 64797. First we will calculate the prime factors of 64790 and 64797.

Prime Factorization of 64790

Prime factors of 64790 are 2, 5, 11, 19, 31. Prime factorization of 64790 in exponential form is:

64790 = 21 × 51 × 111 × 191 × 311

Prime Factorization of 64797

Prime factors of 64797 are 3, 21599. Prime factorization of 64797 in exponential form is:

64797 = 31 × 215991

Now multiplying the highest exponent prime factors to calculate the LCM of 64790 and 64797.

LCM(64790,64797) = 21 × 51 × 111 × 191 × 311 × 31 × 215991
LCM(64790,64797) = 4198197630