What is the Least Common Multiple of 824 and 836?
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 824 and 836 is 172216.
LCM(824,836) = 172216
Least Common Multiple of 824 and 836 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 824 and 836, than apply into the LCM equation.
GCF(824,836) = 4
LCM(824,836) = ( 824 × 836) / 4
LCM(824,836) = 688864 / 4
LCM(824,836) = 172216
Least Common Multiple (LCM) of 824 and 836 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 824 and 836. First we will calculate the prime factors of 824 and 836.
Prime Factorization of 824
Prime factors of 824 are 2, 103. Prime factorization of 824 in exponential form is:
824 = 23 × 1031
Prime Factorization of 836
Prime factors of 836 are 2, 11, 19. Prime factorization of 836 in exponential form is:
836 = 22 × 111 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 824 and 836.
LCM(824,836) = 23 × 1031 × 111 × 191
LCM(824,836) = 172216
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