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What is the Least Common Multiple of 61965 and 61969?

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 61965 and 61969 is 3839909085.

LCM(61965,61969) = 3839909085

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Least Common Multiple of 61965 and 61969 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61965 and 61969, than apply into the LCM equation.

GCF(61965,61969) = 1
LCM(61965,61969) = ( 61965 × 61969) / 1
LCM(61965,61969) = 3839909085 / 1
LCM(61965,61969) = 3839909085

Least Common Multiple (LCM) of 61965 and 61969 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61965 and 61969. First we will calculate the prime factors of 61965 and 61969.

Prime Factorization of 61965

Prime factors of 61965 are 3, 5, 17. Prime factorization of 61965 in exponential form is:

61965 = 36 × 51 × 171

Prime Factorization of 61969

Prime factors of 61969 are 31, 1999. Prime factorization of 61969 in exponential form is:

61969 = 311 × 19991

Now multiplying the highest exponent prime factors to calculate the LCM of 61965 and 61969.

LCM(61965,61969) = 36 × 51 × 171 × 311 × 19991
LCM(61965,61969) = 3839909085