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What is the Least Common Multiple of 64223 and 64240?

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 64223 and 64240 is 4125685520.

LCM(64223,64240) = 4125685520

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Least Common Multiple of 64223 and 64240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64223 and 64240, than apply into the LCM equation.

GCF(64223,64240) = 1
LCM(64223,64240) = ( 64223 × 64240) / 1
LCM(64223,64240) = 4125685520 / 1
LCM(64223,64240) = 4125685520

Least Common Multiple (LCM) of 64223 and 64240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64223 and 64240. First we will calculate the prime factors of 64223 and 64240.

Prime Factorization of 64223

Prime factors of 64223 are 64223. Prime factorization of 64223 in exponential form is:

64223 = 642231

Prime Factorization of 64240

Prime factors of 64240 are 2, 5, 11, 73. Prime factorization of 64240 in exponential form is:

64240 = 24 × 51 × 111 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 64223 and 64240.

LCM(64223,64240) = 642231 × 24 × 51 × 111 × 731
LCM(64223,64240) = 4125685520