What is the Least Common Multiple of 39664 and 39682?
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 39664 and 39682 is 786973424.
LCM(39664,39682) = 786973424
Least Common Multiple of 39664 and 39682 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39664 and 39682, than apply into the LCM equation.
GCF(39664,39682) = 2
LCM(39664,39682) = ( 39664 × 39682) / 2
LCM(39664,39682) = 1573946848 / 2
LCM(39664,39682) = 786973424
Least Common Multiple (LCM) of 39664 and 39682 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 39664 and 39682. First we will calculate the prime factors of 39664 and 39682.
Prime Factorization of 39664
Prime factors of 39664 are 2, 37, 67. Prime factorization of 39664 in exponential form is:
39664 = 24 × 371 × 671
Prime Factorization of 39682
Prime factors of 39682 are 2, 19841. Prime factorization of 39682 in exponential form is:
39682 = 21 × 198411
Now multiplying the highest exponent prime factors to calculate the LCM of 39664 and 39682.
LCM(39664,39682) = 24 × 371 × 671 × 198411
LCM(39664,39682) = 786973424
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