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What is the Least Common Multiple of 39639 and 39644?

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 39639 and 39644 is 1571448516.

LCM(39639,39644) = 1571448516

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Least Common Multiple of 39639 and 39644 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39639 and 39644, than apply into the LCM equation.

GCF(39639,39644) = 1
LCM(39639,39644) = ( 39639 × 39644) / 1
LCM(39639,39644) = 1571448516 / 1
LCM(39639,39644) = 1571448516

Least Common Multiple (LCM) of 39639 and 39644 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39639 and 39644. First we will calculate the prime factors of 39639 and 39644.

Prime Factorization of 39639

Prime factors of 39639 are 3, 73, 181. Prime factorization of 39639 in exponential form is:

39639 = 31 × 731 × 1811

Prime Factorization of 39644

Prime factors of 39644 are 2, 11, 17, 53. Prime factorization of 39644 in exponential form is:

39644 = 22 × 111 × 171 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 39639 and 39644.

LCM(39639,39644) = 31 × 731 × 1811 × 22 × 111 × 171 × 531
LCM(39639,39644) = 1571448516