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What is the Least Common Multiple of 66761 and 66781?

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 66761 and 66781 is 4458366341.

LCM(66761,66781) = 4458366341

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Least Common Multiple of 66761 and 66781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66761 and 66781, than apply into the LCM equation.

GCF(66761,66781) = 1
LCM(66761,66781) = ( 66761 × 66781) / 1
LCM(66761,66781) = 4458366341 / 1
LCM(66761,66781) = 4458366341

Least Common Multiple (LCM) of 66761 and 66781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66761 and 66781. First we will calculate the prime factors of 66761 and 66781.

Prime Factorization of 66761

Prime factors of 66761 are 101, 661. Prime factorization of 66761 in exponential form is:

66761 = 1011 × 6611

Prime Factorization of 66781

Prime factors of 66781 are 11, 13, 467. Prime factorization of 66781 in exponential form is:

66781 = 111 × 131 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 66761 and 66781.

LCM(66761,66781) = 1011 × 6611 × 111 × 131 × 4671
LCM(66761,66781) = 4458366341