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What is the Least Common Multiple of 61771 and 61791?

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 61771 and 61791 is 3816891861.

LCM(61771,61791) = 3816891861

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Least Common Multiple of 61771 and 61791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61771 and 61791, than apply into the LCM equation.

GCF(61771,61791) = 1
LCM(61771,61791) = ( 61771 × 61791) / 1
LCM(61771,61791) = 3816891861 / 1
LCM(61771,61791) = 3816891861

Least Common Multiple (LCM) of 61771 and 61791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61771 and 61791. First we will calculate the prime factors of 61771 and 61791.

Prime Factorization of 61771

Prime factors of 61771 are 223, 277. Prime factorization of 61771 in exponential form is:

61771 = 2231 × 2771

Prime Factorization of 61791

Prime factors of 61791 are 3, 43, 479. Prime factorization of 61791 in exponential form is:

61791 = 31 × 431 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 61771 and 61791.

LCM(61771,61791) = 2231 × 2771 × 31 × 431 × 4791
LCM(61771,61791) = 3816891861