What is the Least Common Multiple of 66740 and 66757?
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 66740 and 66757 is 4455362180.
LCM(66740,66757) = 4455362180
Least Common Multiple of 66740 and 66757 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66740 and 66757, than apply into the LCM equation.
GCF(66740,66757) = 1
LCM(66740,66757) = ( 66740 × 66757) / 1
LCM(66740,66757) = 4455362180 / 1
LCM(66740,66757) = 4455362180
Least Common Multiple (LCM) of 66740 and 66757 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66740 and 66757. First we will calculate the prime factors of 66740 and 66757.
Prime Factorization of 66740
Prime factors of 66740 are 2, 5, 47, 71. Prime factorization of 66740 in exponential form is:
66740 = 22 × 51 × 471 × 711
Prime Factorization of 66757
Prime factors of 66757 are 241, 277. Prime factorization of 66757 in exponential form is:
66757 = 2411 × 2771
Now multiplying the highest exponent prime factors to calculate the LCM of 66740 and 66757.
LCM(66740,66757) = 22 × 51 × 471 × 711 × 2411 × 2771
LCM(66740,66757) = 4455362180
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