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What is the Least Common Multiple of 61761 and 61769?

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 61761 and 61769 is 3814915209.

LCM(61761,61769) = 3814915209

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Least Common Multiple of 61761 and 61769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61761 and 61769, than apply into the LCM equation.

GCF(61761,61769) = 1
LCM(61761,61769) = ( 61761 × 61769) / 1
LCM(61761,61769) = 3814915209 / 1
LCM(61761,61769) = 3814915209

Least Common Multiple (LCM) of 61761 and 61769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61761 and 61769. First we will calculate the prime factors of 61761 and 61769.

Prime Factorization of 61761

Prime factors of 61761 are 3, 7, 17, 173. Prime factorization of 61761 in exponential form is:

61761 = 31 × 71 × 171 × 1731

Prime Factorization of 61769

Prime factors of 61769 are 19, 3251. Prime factorization of 61769 in exponential form is:

61769 = 191 × 32511

Now multiplying the highest exponent prime factors to calculate the LCM of 61761 and 61769.

LCM(61761,61769) = 31 × 71 × 171 × 1731 × 191 × 32511
LCM(61761,61769) = 3814915209