What is the Least Common Multiple of 20792 and 20797?
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 20792 and 20797 is 432411224.
LCM(20792,20797) = 432411224
Least Common Multiple of 20792 and 20797 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20792 and 20797, than apply into the LCM equation.
GCF(20792,20797) = 1
LCM(20792,20797) = ( 20792 × 20797) / 1
LCM(20792,20797) = 432411224 / 1
LCM(20792,20797) = 432411224
Least Common Multiple (LCM) of 20792 and 20797 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 20792 and 20797. First we will calculate the prime factors of 20792 and 20797.
Prime Factorization of 20792
Prime factors of 20792 are 2, 23, 113. Prime factorization of 20792 in exponential form is:
20792 = 23 × 231 × 1131
Prime Factorization of 20797
Prime factors of 20797 are 7, 2971. Prime factorization of 20797 in exponential form is:
20797 = 71 × 29711
Now multiplying the highest exponent prime factors to calculate the LCM of 20792 and 20797.
LCM(20792,20797) = 23 × 231 × 1131 × 71 × 29711
LCM(20792,20797) = 432411224
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