What is the Least Common Multiple of 745 and 753?
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 745 and 753 is 560985.
LCM(745,753) = 560985
Least Common Multiple of 745 and 753 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 745 and 753, than apply into the LCM equation.
GCF(745,753) = 1
LCM(745,753) = ( 745 × 753) / 1
LCM(745,753) = 560985 / 1
LCM(745,753) = 560985
Least Common Multiple (LCM) of 745 and 753 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 745 and 753. First we will calculate the prime factors of 745 and 753.
Prime Factorization of 745
Prime factors of 745 are 5, 149. Prime factorization of 745 in exponential form is:
745 = 51 × 1491
Prime Factorization of 753
Prime factors of 753 are 3, 251. Prime factorization of 753 in exponential form is:
753 = 31 × 2511
Now multiplying the highest exponent prime factors to calculate the LCM of 745 and 753.
LCM(745,753) = 51 × 1491 × 31 × 2511
LCM(745,753) = 560985
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