What is the Least Common Multiple of 427 and 431?
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 427 and 431 is 184037.
LCM(427,431) = 184037
Least Common Multiple of 427 and 431 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 427 and 431, than apply into the LCM equation.
GCF(427,431) = 1
LCM(427,431) = ( 427 × 431) / 1
LCM(427,431) = 184037 / 1
LCM(427,431) = 184037
Least Common Multiple (LCM) of 427 and 431 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 427 and 431. First we will calculate the prime factors of 427 and 431.
Prime Factorization of 427
Prime factors of 427 are 7, 61. Prime factorization of 427 in exponential form is:
427 = 71 × 611
Prime Factorization of 431
Prime factors of 431 are 431. Prime factorization of 431 in exponential form is:
431 = 4311
Now multiplying the highest exponent prime factors to calculate the LCM of 427 and 431.
LCM(427,431) = 71 × 611 × 4311
LCM(427,431) = 184037
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