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What is the Least Common Multiple of 66434 and 66438?

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 66434 and 66438 is 2206871046.

LCM(66434,66438) = 2206871046

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Least Common Multiple of 66434 and 66438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66434 and 66438, than apply into the LCM equation.

GCF(66434,66438) = 2
LCM(66434,66438) = ( 66434 × 66438) / 2
LCM(66434,66438) = 4413742092 / 2
LCM(66434,66438) = 2206871046

Least Common Multiple (LCM) of 66434 and 66438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66434 and 66438. First we will calculate the prime factors of 66434 and 66438.

Prime Factorization of 66434

Prime factors of 66434 are 2, 59, 563. Prime factorization of 66434 in exponential form is:

66434 = 21 × 591 × 5631

Prime Factorization of 66438

Prime factors of 66438 are 2, 3, 3691. Prime factorization of 66438 in exponential form is:

66438 = 21 × 32 × 36911

Now multiplying the highest exponent prime factors to calculate the LCM of 66434 and 66438.

LCM(66434,66438) = 21 × 591 × 5631 × 32 × 36911
LCM(66434,66438) = 2206871046