What is the Least Common Multiple of 17971 and 17981?
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 17971 and 17981 is 323136551.
LCM(17971,17981) = 323136551
Least Common Multiple of 17971 and 17981 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17971 and 17981, than apply into the LCM equation.
GCF(17971,17981) = 1
LCM(17971,17981) = ( 17971 × 17981) / 1
LCM(17971,17981) = 323136551 / 1
LCM(17971,17981) = 323136551
Least Common Multiple (LCM) of 17971 and 17981 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 17971 and 17981. First we will calculate the prime factors of 17971 and 17981.
Prime Factorization of 17971
Prime factors of 17971 are 17971. Prime factorization of 17971 in exponential form is:
17971 = 179711
Prime Factorization of 17981
Prime factors of 17981 are 17981. Prime factorization of 17981 in exponential form is:
17981 = 179811
Now multiplying the highest exponent prime factors to calculate the LCM of 17971 and 17981.
LCM(17971,17981) = 179711 × 179811
LCM(17971,17981) = 323136551
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