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What is the Least Common Multiple of 61979 and 61999?

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 61979 and 61999 is 3842636021.

LCM(61979,61999) = 3842636021

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Least Common Multiple of 61979 and 61999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61979 and 61999, than apply into the LCM equation.

GCF(61979,61999) = 1
LCM(61979,61999) = ( 61979 × 61999) / 1
LCM(61979,61999) = 3842636021 / 1
LCM(61979,61999) = 3842636021

Least Common Multiple (LCM) of 61979 and 61999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61979 and 61999. First we will calculate the prime factors of 61979 and 61999.

Prime Factorization of 61979

Prime factors of 61979 are 61979. Prime factorization of 61979 in exponential form is:

61979 = 619791

Prime Factorization of 61999

Prime factors of 61999 are 7, 17, 521. Prime factorization of 61999 in exponential form is:

61999 = 71 × 171 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 61979 and 61999.

LCM(61979,61999) = 619791 × 71 × 171 × 5211
LCM(61979,61999) = 3842636021