What is the Least Common Multiple of 924 and 931?
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 924 and 931 is 122892.
LCM(924,931) = 122892
Least Common Multiple of 924 and 931 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 924 and 931, than apply into the LCM equation.
GCF(924,931) = 7
LCM(924,931) = ( 924 × 931) / 7
LCM(924,931) = 860244 / 7
LCM(924,931) = 122892
Least Common Multiple (LCM) of 924 and 931 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 924 and 931. First we will calculate the prime factors of 924 and 931.
Prime Factorization of 924
Prime factors of 924 are 2, 3, 7, 11. Prime factorization of 924 in exponential form is:
924 = 22 × 31 × 71 × 111
Prime Factorization of 931
Prime factors of 931 are 7, 19. Prime factorization of 931 in exponential form is:
931 = 72 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 924 and 931.
LCM(924,931) = 22 × 31 × 72 × 111 × 191
LCM(924,931) = 122892
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