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What is the Least Common Multiple of 66641 and 66646?

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 66641 and 66646 is 4441356086.

LCM(66641,66646) = 4441356086

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Least Common Multiple of 66641 and 66646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66641 and 66646, than apply into the LCM equation.

GCF(66641,66646) = 1
LCM(66641,66646) = ( 66641 × 66646) / 1
LCM(66641,66646) = 4441356086 / 1
LCM(66641,66646) = 4441356086

Least Common Multiple (LCM) of 66641 and 66646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66641 and 66646. First we will calculate the prime factors of 66641 and 66646.

Prime Factorization of 66641

Prime factors of 66641 are 103, 647. Prime factorization of 66641 in exponential form is:

66641 = 1031 × 6471

Prime Factorization of 66646

Prime factors of 66646 are 2, 47, 709. Prime factorization of 66646 in exponential form is:

66646 = 21 × 471 × 7091

Now multiplying the highest exponent prime factors to calculate the LCM of 66641 and 66646.

LCM(66641,66646) = 1031 × 6471 × 21 × 471 × 7091
LCM(66641,66646) = 4441356086