What is the Least Common Multiple of 41998 and 42005?
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 41998 and 42005 is 1764125990.
LCM(41998,42005) = 1764125990
Least Common Multiple of 41998 and 42005 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41998 and 42005, than apply into the LCM equation.
GCF(41998,42005) = 1
LCM(41998,42005) = ( 41998 × 42005) / 1
LCM(41998,42005) = 1764125990 / 1
LCM(41998,42005) = 1764125990
Least Common Multiple (LCM) of 41998 and 42005 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 41998 and 42005. First we will calculate the prime factors of 41998 and 42005.
Prime Factorization of 41998
Prime factors of 41998 are 2, 11, 23, 83. Prime factorization of 41998 in exponential form is:
41998 = 21 × 111 × 231 × 831
Prime Factorization of 42005
Prime factors of 42005 are 5, 31, 271. Prime factorization of 42005 in exponential form is:
42005 = 51 × 311 × 2711
Now multiplying the highest exponent prime factors to calculate the LCM of 41998 and 42005.
LCM(41998,42005) = 21 × 111 × 231 × 831 × 51 × 311 × 2711
LCM(41998,42005) = 1764125990
Related Least Common Multiples of 41998
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