What is the Least Common Multiple of 68709 and 68715?
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 68709 and 68715 is 1573779645.
LCM(68709,68715) = 1573779645
Least Common Multiple of 68709 and 68715 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68709 and 68715, than apply into the LCM equation.
GCF(68709,68715) = 3
LCM(68709,68715) = ( 68709 × 68715) / 3
LCM(68709,68715) = 4721338935 / 3
LCM(68709,68715) = 1573779645
Least Common Multiple (LCM) of 68709 and 68715 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68709 and 68715. First we will calculate the prime factors of 68709 and 68715.
Prime Factorization of 68709
Prime factors of 68709 are 3, 37, 619. Prime factorization of 68709 in exponential form is:
68709 = 31 × 371 × 6191
Prime Factorization of 68715
Prime factors of 68715 are 3, 5, 509. Prime factorization of 68715 in exponential form is:
68715 = 33 × 51 × 5091
Now multiplying the highest exponent prime factors to calculate the LCM of 68709 and 68715.
LCM(68709,68715) = 33 × 371 × 6191 × 51 × 5091
LCM(68709,68715) = 1573779645
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