What is the Least Common Multiple of 9880 and 9885?
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 9880 and 9885 is 19532760.
LCM(9880,9885) = 19532760
Least Common Multiple of 9880 and 9885 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9880 and 9885, than apply into the LCM equation.
GCF(9880,9885) = 5
LCM(9880,9885) = ( 9880 × 9885) / 5
LCM(9880,9885) = 97663800 / 5
LCM(9880,9885) = 19532760
Least Common Multiple (LCM) of 9880 and 9885 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 9880 and 9885. First we will calculate the prime factors of 9880 and 9885.
Prime Factorization of 9880
Prime factors of 9880 are 2, 5, 13, 19. Prime factorization of 9880 in exponential form is:
9880 = 23 × 51 × 131 × 191
Prime Factorization of 9885
Prime factors of 9885 are 3, 5, 659. Prime factorization of 9885 in exponential form is:
9885 = 31 × 51 × 6591
Now multiplying the highest exponent prime factors to calculate the LCM of 9880 and 9885.
LCM(9880,9885) = 23 × 51 × 131 × 191 × 31 × 6591
LCM(9880,9885) = 19532760
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