What is the Least Common Multiple of 683 and 689?
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 683 and 689 is 470587.
LCM(683,689) = 470587
Least Common Multiple of 683 and 689 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 683 and 689, than apply into the LCM equation.
GCF(683,689) = 1
LCM(683,689) = ( 683 × 689) / 1
LCM(683,689) = 470587 / 1
LCM(683,689) = 470587
Least Common Multiple (LCM) of 683 and 689 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 683 and 689. First we will calculate the prime factors of 683 and 689.
Prime Factorization of 683
Prime factors of 683 are 683. Prime factorization of 683 in exponential form is:
683 = 6831
Prime Factorization of 689
Prime factors of 689 are 13, 53. Prime factorization of 689 in exponential form is:
689 = 131 × 531
Now multiplying the highest exponent prime factors to calculate the LCM of 683 and 689.
LCM(683,689) = 6831 × 131 × 531
LCM(683,689) = 470587
Related Least Common Multiples of 683
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Related Least Common Multiples of 689
- LCM of 689 and 693
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