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What is the Least Common Multiple of 64426 and 64436?

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 64426 and 64436 is 2075676868.

LCM(64426,64436) = 2075676868

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Least Common Multiple of 64426 and 64436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64426 and 64436, than apply into the LCM equation.

GCF(64426,64436) = 2
LCM(64426,64436) = ( 64426 × 64436) / 2
LCM(64426,64436) = 4151353736 / 2
LCM(64426,64436) = 2075676868

Least Common Multiple (LCM) of 64426 and 64436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64426 and 64436. First we will calculate the prime factors of 64426 and 64436.

Prime Factorization of 64426

Prime factors of 64426 are 2, 32213. Prime factorization of 64426 in exponential form is:

64426 = 21 × 322131

Prime Factorization of 64436

Prime factors of 64436 are 2, 89, 181. Prime factorization of 64436 in exponential form is:

64436 = 22 × 891 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 64426 and 64436.

LCM(64426,64436) = 22 × 322131 × 891 × 1811
LCM(64426,64436) = 2075676868