What is the Least Common Multiple of 196 and 209?
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 196 and 209 is 40964.
LCM(196,209) = 40964
Least Common Multiple of 196 and 209 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 196 and 209, than apply into the LCM equation.
GCF(196,209) = 1
LCM(196,209) = ( 196 × 209) / 1
LCM(196,209) = 40964 / 1
LCM(196,209) = 40964
Least Common Multiple (LCM) of 196 and 209 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 196 and 209. First we will calculate the prime factors of 196 and 209.
Prime Factorization of 196
Prime factors of 196 are 2, 7. Prime factorization of 196 in exponential form is:
196 = 22 × 72
Prime Factorization of 209
Prime factors of 209 are 11, 19. Prime factorization of 209 in exponential form is:
209 = 111 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 196 and 209.
LCM(196,209) = 22 × 72 × 111 × 191
LCM(196,209) = 40964
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Related Least Common Multiples of 209
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