What is the Least Common Multiple of 76820 and 76832?
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 76820 and 76832 is 1475558560.
LCM(76820,76832) = 1475558560
Least Common Multiple of 76820 and 76832 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76820 and 76832, than apply into the LCM equation.
GCF(76820,76832) = 4
LCM(76820,76832) = ( 76820 × 76832) / 4
LCM(76820,76832) = 5902234240 / 4
LCM(76820,76832) = 1475558560
Least Common Multiple (LCM) of 76820 and 76832 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 76820 and 76832. First we will calculate the prime factors of 76820 and 76832.
Prime Factorization of 76820
Prime factors of 76820 are 2, 5, 23, 167. Prime factorization of 76820 in exponential form is:
76820 = 22 × 51 × 231 × 1671
Prime Factorization of 76832
Prime factors of 76832 are 2, 7. Prime factorization of 76832 in exponential form is:
76832 = 25 × 74
Now multiplying the highest exponent prime factors to calculate the LCM of 76820 and 76832.
LCM(76820,76832) = 25 × 51 × 231 × 1671 × 74
LCM(76820,76832) = 1475558560
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