What is the Least Common Multiple of 7804 and 7810?
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 7804 and 7810 is 30474620.
LCM(7804,7810) = 30474620
Least Common Multiple of 7804 and 7810 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7804 and 7810, than apply into the LCM equation.
GCF(7804,7810) = 2
LCM(7804,7810) = ( 7804 × 7810) / 2
LCM(7804,7810) = 60949240 / 2
LCM(7804,7810) = 30474620
Least Common Multiple (LCM) of 7804 and 7810 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 7804 and 7810. First we will calculate the prime factors of 7804 and 7810.
Prime Factorization of 7804
Prime factors of 7804 are 2, 1951. Prime factorization of 7804 in exponential form is:
7804 = 22 × 19511
Prime Factorization of 7810
Prime factors of 7810 are 2, 5, 11, 71. Prime factorization of 7810 in exponential form is:
7810 = 21 × 51 × 111 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 7804 and 7810.
LCM(7804,7810) = 22 × 19511 × 51 × 111 × 711
LCM(7804,7810) = 30474620
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