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What is the Least Common Multiple of 39969 and 39974?

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 39969 and 39974 is 1597720806.

LCM(39969,39974) = 1597720806

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Least Common Multiple of 39969 and 39974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39969 and 39974, than apply into the LCM equation.

GCF(39969,39974) = 1
LCM(39969,39974) = ( 39969 × 39974) / 1
LCM(39969,39974) = 1597720806 / 1
LCM(39969,39974) = 1597720806

Least Common Multiple (LCM) of 39969 and 39974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39969 and 39974. First we will calculate the prime factors of 39969 and 39974.

Prime Factorization of 39969

Prime factors of 39969 are 3, 4441. Prime factorization of 39969 in exponential form is:

39969 = 32 × 44411

Prime Factorization of 39974

Prime factors of 39974 are 2, 11, 23, 79. Prime factorization of 39974 in exponential form is:

39974 = 21 × 111 × 231 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 39969 and 39974.

LCM(39969,39974) = 32 × 44411 × 21 × 111 × 231 × 791
LCM(39969,39974) = 1597720806