What is the Least Common Multiple of 740 and 758?
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 740 and 758 is 280460.
LCM(740,758) = 280460
Least Common Multiple of 740 and 758 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 740 and 758, than apply into the LCM equation.
GCF(740,758) = 2
LCM(740,758) = ( 740 × 758) / 2
LCM(740,758) = 560920 / 2
LCM(740,758) = 280460
Least Common Multiple (LCM) of 740 and 758 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 740 and 758. First we will calculate the prime factors of 740 and 758.
Prime Factorization of 740
Prime factors of 740 are 2, 5, 37. Prime factorization of 740 in exponential form is:
740 = 22 × 51 × 371
Prime Factorization of 758
Prime factors of 758 are 2, 379. Prime factorization of 758 in exponential form is:
758 = 21 × 3791
Now multiplying the highest exponent prime factors to calculate the LCM of 740 and 758.
LCM(740,758) = 22 × 51 × 371 × 3791
LCM(740,758) = 280460
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