What is the Least Common Multiple of 11969 and 11987?
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 11969 and 11987 is 143472403.
LCM(11969,11987) = 143472403
Least Common Multiple of 11969 and 11987 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11969 and 11987, than apply into the LCM equation.
GCF(11969,11987) = 1
LCM(11969,11987) = ( 11969 × 11987) / 1
LCM(11969,11987) = 143472403 / 1
LCM(11969,11987) = 143472403
Least Common Multiple (LCM) of 11969 and 11987 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11969 and 11987. First we will calculate the prime factors of 11969 and 11987.
Prime Factorization of 11969
Prime factors of 11969 are 11969. Prime factorization of 11969 in exponential form is:
11969 = 119691
Prime Factorization of 11987
Prime factors of 11987 are 11987. Prime factorization of 11987 in exponential form is:
11987 = 119871
Now multiplying the highest exponent prime factors to calculate the LCM of 11969 and 11987.
LCM(11969,11987) = 119691 × 119871
LCM(11969,11987) = 143472403
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