What is the Least Common Multiple of 76824 and 76828?
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 76824 and 76828 is 1475558568.
LCM(76824,76828) = 1475558568
Least Common Multiple of 76824 and 76828 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76824 and 76828, than apply into the LCM equation.
GCF(76824,76828) = 4
LCM(76824,76828) = ( 76824 × 76828) / 4
LCM(76824,76828) = 5902234272 / 4
LCM(76824,76828) = 1475558568
Least Common Multiple (LCM) of 76824 and 76828 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 76824 and 76828. First we will calculate the prime factors of 76824 and 76828.
Prime Factorization of 76824
Prime factors of 76824 are 2, 3, 11, 97. Prime factorization of 76824 in exponential form is:
76824 = 23 × 32 × 111 × 971
Prime Factorization of 76828
Prime factors of 76828 are 2, 19207. Prime factorization of 76828 in exponential form is:
76828 = 22 × 192071
Now multiplying the highest exponent prime factors to calculate the LCM of 76824 and 76828.
LCM(76824,76828) = 23 × 32 × 111 × 971 × 192071
LCM(76824,76828) = 1475558568
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