What is the Least Common Multiple of 785 and 803?
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 785 and 803 is 630355.
LCM(785,803) = 630355
Least Common Multiple of 785 and 803 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 785 and 803, than apply into the LCM equation.
GCF(785,803) = 1
LCM(785,803) = ( 785 × 803) / 1
LCM(785,803) = 630355 / 1
LCM(785,803) = 630355
Least Common Multiple (LCM) of 785 and 803 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 785 and 803. First we will calculate the prime factors of 785 and 803.
Prime Factorization of 785
Prime factors of 785 are 5, 157. Prime factorization of 785 in exponential form is:
785 = 51 × 1571
Prime Factorization of 803
Prime factors of 803 are 11, 73. Prime factorization of 803 in exponential form is:
803 = 111 × 731
Now multiplying the highest exponent prime factors to calculate the LCM of 785 and 803.
LCM(785,803) = 51 × 1571 × 111 × 731
LCM(785,803) = 630355
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