What is the Least Common Multiple of 946 and 956?
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 946 and 956 is 452188.
LCM(946,956) = 452188
Least Common Multiple of 946 and 956 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 946 and 956, than apply into the LCM equation.
GCF(946,956) = 2
LCM(946,956) = ( 946 × 956) / 2
LCM(946,956) = 904376 / 2
LCM(946,956) = 452188
Least Common Multiple (LCM) of 946 and 956 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 946 and 956. First we will calculate the prime factors of 946 and 956.
Prime Factorization of 946
Prime factors of 946 are 2, 11, 43. Prime factorization of 946 in exponential form is:
946 = 21 × 111 × 431
Prime Factorization of 956
Prime factors of 956 are 2, 239. Prime factorization of 956 in exponential form is:
956 = 22 × 2391
Now multiplying the highest exponent prime factors to calculate the LCM of 946 and 956.
LCM(946,956) = 22 × 111 × 431 × 2391
LCM(946,956) = 452188
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