What is the Least Common Multiple of 72989 and 72993?
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 72989 and 72993 is 5327686077.
LCM(72989,72993) = 5327686077
Least Common Multiple of 72989 and 72993 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72989 and 72993, than apply into the LCM equation.
GCF(72989,72993) = 1
LCM(72989,72993) = ( 72989 × 72993) / 1
LCM(72989,72993) = 5327686077 / 1
LCM(72989,72993) = 5327686077
Least Common Multiple (LCM) of 72989 and 72993 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 72989 and 72993. First we will calculate the prime factors of 72989 and 72993.
Prime Factorization of 72989
Prime factors of 72989 are 7, 10427. Prime factorization of 72989 in exponential form is:
72989 = 71 × 104271
Prime Factorization of 72993
Prime factors of 72993 are 3, 29, 839. Prime factorization of 72993 in exponential form is:
72993 = 31 × 291 × 8391
Now multiplying the highest exponent prime factors to calculate the LCM of 72989 and 72993.
LCM(72989,72993) = 71 × 104271 × 31 × 291 × 8391
LCM(72989,72993) = 5327686077
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