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What is the Least Common Multiple of 39617 and 39630?

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 39617 and 39630 is 1570021710.

LCM(39617,39630) = 1570021710

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Least Common Multiple of 39617 and 39630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39617 and 39630, than apply into the LCM equation.

GCF(39617,39630) = 1
LCM(39617,39630) = ( 39617 × 39630) / 1
LCM(39617,39630) = 1570021710 / 1
LCM(39617,39630) = 1570021710

Least Common Multiple (LCM) of 39617 and 39630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39617 and 39630. First we will calculate the prime factors of 39617 and 39630.

Prime Factorization of 39617

Prime factors of 39617 are 173, 229. Prime factorization of 39617 in exponential form is:

39617 = 1731 × 2291

Prime Factorization of 39630

Prime factors of 39630 are 2, 3, 5, 1321. Prime factorization of 39630 in exponential form is:

39630 = 21 × 31 × 51 × 13211

Now multiplying the highest exponent prime factors to calculate the LCM of 39617 and 39630.

LCM(39617,39630) = 1731 × 2291 × 21 × 31 × 51 × 13211
LCM(39617,39630) = 1570021710