What is the Least Common Multiple of 787 and 807?
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 787 and 807 is 635109.
LCM(787,807) = 635109
Least Common Multiple of 787 and 807 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 787 and 807, than apply into the LCM equation.
GCF(787,807) = 1
LCM(787,807) = ( 787 × 807) / 1
LCM(787,807) = 635109 / 1
LCM(787,807) = 635109
Least Common Multiple (LCM) of 787 and 807 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 787 and 807. First we will calculate the prime factors of 787 and 807.
Prime Factorization of 787
Prime factors of 787 are 787. Prime factorization of 787 in exponential form is:
787 = 7871
Prime Factorization of 807
Prime factors of 807 are 3, 269. Prime factorization of 807 in exponential form is:
807 = 31 × 2691
Now multiplying the highest exponent prime factors to calculate the LCM of 787 and 807.
LCM(787,807) = 7871 × 31 × 2691
LCM(787,807) = 635109
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