What is the Least Common Multiple of 697 and 717?
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 697 and 717 is 499749.
LCM(697,717) = 499749
Least Common Multiple of 697 and 717 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 697 and 717, than apply into the LCM equation.
GCF(697,717) = 1
LCM(697,717) = ( 697 × 717) / 1
LCM(697,717) = 499749 / 1
LCM(697,717) = 499749
Least Common Multiple (LCM) of 697 and 717 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 697 and 717. First we will calculate the prime factors of 697 and 717.
Prime Factorization of 697
Prime factors of 697 are 17, 41. Prime factorization of 697 in exponential form is:
697 = 171 × 411
Prime Factorization of 717
Prime factors of 717 are 3, 239. Prime factorization of 717 in exponential form is:
717 = 31 × 2391
Now multiplying the highest exponent prime factors to calculate the LCM of 697 and 717.
LCM(697,717) = 171 × 411 × 31 × 2391
LCM(697,717) = 499749
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