What is the Least Common Multiple of 1045 and 1060?
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 1045 and 1060 is 221540.
LCM(1045,1060) = 221540
Least Common Multiple of 1045 and 1060 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1045 and 1060, than apply into the LCM equation.
GCF(1045,1060) = 5
LCM(1045,1060) = ( 1045 × 1060) / 5
LCM(1045,1060) = 1107700 / 5
LCM(1045,1060) = 221540
Least Common Multiple (LCM) of 1045 and 1060 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 1045 and 1060. First we will calculate the prime factors of 1045 and 1060.
Prime Factorization of 1045
Prime factors of 1045 are 5, 11, 19. Prime factorization of 1045 in exponential form is:
1045 = 51 × 111 × 191
Prime Factorization of 1060
Prime factors of 1060 are 2, 5, 53. Prime factorization of 1060 in exponential form is:
1060 = 22 × 51 × 531
Now multiplying the highest exponent prime factors to calculate the LCM of 1045 and 1060.
LCM(1045,1060) = 51 × 111 × 191 × 22 × 531
LCM(1045,1060) = 221540
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