What is the Least Common Multiple of 65690 and 65697?
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 65690 and 65697 is 4315635930.
LCM(65690,65697) = 4315635930
Least Common Multiple of 65690 and 65697 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65690 and 65697, than apply into the LCM equation.
GCF(65690,65697) = 1
LCM(65690,65697) = ( 65690 × 65697) / 1
LCM(65690,65697) = 4315635930 / 1
LCM(65690,65697) = 4315635930
Least Common Multiple (LCM) of 65690 and 65697 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 65690 and 65697. First we will calculate the prime factors of 65690 and 65697.
Prime Factorization of 65690
Prime factors of 65690 are 2, 5, 6569. Prime factorization of 65690 in exponential form is:
65690 = 21 × 51 × 65691
Prime Factorization of 65697
Prime factors of 65697 are 3, 61, 359. Prime factorization of 65697 in exponential form is:
65697 = 31 × 611 × 3591
Now multiplying the highest exponent prime factors to calculate the LCM of 65690 and 65697.
LCM(65690,65697) = 21 × 51 × 65691 × 31 × 611 × 3591
LCM(65690,65697) = 4315635930
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