What is the Least Common Multiple of 947 and 957?
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 947 and 957 is 906279.
LCM(947,957) = 906279
Least Common Multiple of 947 and 957 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 947 and 957, than apply into the LCM equation.
GCF(947,957) = 1
LCM(947,957) = ( 947 × 957) / 1
LCM(947,957) = 906279 / 1
LCM(947,957) = 906279
Least Common Multiple (LCM) of 947 and 957 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 947 and 957. First we will calculate the prime factors of 947 and 957.
Prime Factorization of 947
Prime factors of 947 are 947. Prime factorization of 947 in exponential form is:
947 = 9471
Prime Factorization of 957
Prime factors of 957 are 3, 11, 29. Prime factorization of 957 in exponential form is:
957 = 31 × 111 × 291
Now multiplying the highest exponent prime factors to calculate the LCM of 947 and 957.
LCM(947,957) = 9471 × 31 × 111 × 291
LCM(947,957) = 906279
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