What is the Least Common Multiple of 21991 and 22005?
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 21991 and 22005 is 483911955.
LCM(21991,22005) = 483911955
Least Common Multiple of 21991 and 22005 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21991 and 22005, than apply into the LCM equation.
GCF(21991,22005) = 1
LCM(21991,22005) = ( 21991 × 22005) / 1
LCM(21991,22005) = 483911955 / 1
LCM(21991,22005) = 483911955
Least Common Multiple (LCM) of 21991 and 22005 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 21991 and 22005. First we will calculate the prime factors of 21991 and 22005.
Prime Factorization of 21991
Prime factors of 21991 are 21991. Prime factorization of 21991 in exponential form is:
21991 = 219911
Prime Factorization of 22005
Prime factors of 22005 are 3, 5, 163. Prime factorization of 22005 in exponential form is:
22005 = 33 × 51 × 1631
Now multiplying the highest exponent prime factors to calculate the LCM of 21991 and 22005.
LCM(21991,22005) = 219911 × 33 × 51 × 1631
LCM(21991,22005) = 483911955
Related Least Common Multiples of 21991
- LCM of 21991 and 21995
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- LCM of 21991 and 21997
- LCM of 21991 and 21998
- LCM of 21991 and 21999
- LCM of 21991 and 22000
- LCM of 21991 and 22001
- LCM of 21991 and 22002
- LCM of 21991 and 22003
- LCM of 21991 and 22004
- LCM of 21991 and 22005
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- LCM of 21991 and 22007
- LCM of 21991 and 22008
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- LCM of 21991 and 22010
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Related Least Common Multiples of 22005
- LCM of 22005 and 22009
- LCM of 22005 and 22010
- LCM of 22005 and 22011
- LCM of 22005 and 22012
- LCM of 22005 and 22013
- LCM of 22005 and 22014
- LCM of 22005 and 22015
- LCM of 22005 and 22016
- LCM of 22005 and 22017
- LCM of 22005 and 22018
- LCM of 22005 and 22019
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