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What is the Least Common Multiple of 39961 and 39977?

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 39961 and 39977 is 1597520897.

LCM(39961,39977) = 1597520897

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Least Common Multiple of 39961 and 39977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39961 and 39977, than apply into the LCM equation.

GCF(39961,39977) = 1
LCM(39961,39977) = ( 39961 × 39977) / 1
LCM(39961,39977) = 1597520897 / 1
LCM(39961,39977) = 1597520897

Least Common Multiple (LCM) of 39961 and 39977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39961 and 39977. First we will calculate the prime factors of 39961 and 39977.

Prime Factorization of 39961

Prime factors of 39961 are 89, 449. Prime factorization of 39961 in exponential form is:

39961 = 891 × 4491

Prime Factorization of 39977

Prime factors of 39977 are 7, 5711. Prime factorization of 39977 in exponential form is:

39977 = 71 × 57111

Now multiplying the highest exponent prime factors to calculate the LCM of 39961 and 39977.

LCM(39961,39977) = 891 × 4491 × 71 × 57111
LCM(39961,39977) = 1597520897