What is the Least Common Multiple of 66969 and 66983?
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 66969 and 66983 is 640826361.
LCM(66969,66983) = 640826361
Least Common Multiple of 66969 and 66983 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66969 and 66983, than apply into the LCM equation.
GCF(66969,66983) = 7
LCM(66969,66983) = ( 66969 × 66983) / 7
LCM(66969,66983) = 4485784527 / 7
LCM(66969,66983) = 640826361
Least Common Multiple (LCM) of 66969 and 66983 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66969 and 66983. First we will calculate the prime factors of 66969 and 66983.
Prime Factorization of 66969
Prime factors of 66969 are 3, 7, 1063. Prime factorization of 66969 in exponential form is:
66969 = 32 × 71 × 10631
Prime Factorization of 66983
Prime factors of 66983 are 7, 1367. Prime factorization of 66983 in exponential form is:
66983 = 72 × 13671
Now multiplying the highest exponent prime factors to calculate the LCM of 66969 and 66983.
LCM(66969,66983) = 32 × 72 × 10631 × 13671
LCM(66969,66983) = 640826361
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