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What is the Least Common Multiple of 61973 and 61983?

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 61973 and 61983 is 3841272459.

LCM(61973,61983) = 3841272459

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Least Common Multiple of 61973 and 61983 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61973 and 61983, than apply into the LCM equation.

GCF(61973,61983) = 1
LCM(61973,61983) = ( 61973 × 61983) / 1
LCM(61973,61983) = 3841272459 / 1
LCM(61973,61983) = 3841272459

Least Common Multiple (LCM) of 61973 and 61983 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61973 and 61983. First we will calculate the prime factors of 61973 and 61983.

Prime Factorization of 61973

Prime factors of 61973 are 29, 2137. Prime factorization of 61973 in exponential form is:

61973 = 291 × 21371

Prime Factorization of 61983

Prime factors of 61983 are 3, 71, 97. Prime factorization of 61983 in exponential form is:

61983 = 32 × 711 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 61973 and 61983.

LCM(61973,61983) = 291 × 21371 × 32 × 711 × 971
LCM(61973,61983) = 3841272459