What is the Least Common Multiple of 68714 and 68731?
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 68714 and 68731 is 277810702.
LCM(68714,68731) = 277810702
Least Common Multiple of 68714 and 68731 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68714 and 68731, than apply into the LCM equation.
GCF(68714,68731) = 17
LCM(68714,68731) = ( 68714 × 68731) / 17
LCM(68714,68731) = 4722781934 / 17
LCM(68714,68731) = 277810702
Least Common Multiple (LCM) of 68714 and 68731 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68714 and 68731. First we will calculate the prime factors of 68714 and 68731.
Prime Factorization of 68714
Prime factors of 68714 are 2, 17, 43, 47. Prime factorization of 68714 in exponential form is:
68714 = 21 × 171 × 431 × 471
Prime Factorization of 68731
Prime factors of 68731 are 13, 17, 311. Prime factorization of 68731 in exponential form is:
68731 = 131 × 171 × 3111
Now multiplying the highest exponent prime factors to calculate the LCM of 68714 and 68731.
LCM(68714,68731) = 21 × 171 × 431 × 471 × 131 × 3111
LCM(68714,68731) = 277810702
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