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What is the Least Common Multiple of 39950 and 39956?

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 39950 and 39956 is 798121100.

LCM(39950,39956) = 798121100

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Least Common Multiple of 39950 and 39956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39950 and 39956, than apply into the LCM equation.

GCF(39950,39956) = 2
LCM(39950,39956) = ( 39950 × 39956) / 2
LCM(39950,39956) = 1596242200 / 2
LCM(39950,39956) = 798121100

Least Common Multiple (LCM) of 39950 and 39956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39950 and 39956. First we will calculate the prime factors of 39950 and 39956.

Prime Factorization of 39950

Prime factors of 39950 are 2, 5, 17, 47. Prime factorization of 39950 in exponential form is:

39950 = 21 × 52 × 171 × 471

Prime Factorization of 39956

Prime factors of 39956 are 2, 7, 1427. Prime factorization of 39956 in exponential form is:

39956 = 22 × 71 × 14271

Now multiplying the highest exponent prime factors to calculate the LCM of 39950 and 39956.

LCM(39950,39956) = 22 × 52 × 171 × 471 × 71 × 14271
LCM(39950,39956) = 798121100