What is the Least Common Multiple of 66820 and 66834?
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 66820 and 66834 is 2232923940.
LCM(66820,66834) = 2232923940
Least Common Multiple of 66820 and 66834 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66820 and 66834, than apply into the LCM equation.
GCF(66820,66834) = 2
LCM(66820,66834) = ( 66820 × 66834) / 2
LCM(66820,66834) = 4465847880 / 2
LCM(66820,66834) = 2232923940
Least Common Multiple (LCM) of 66820 and 66834 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66820 and 66834. First we will calculate the prime factors of 66820 and 66834.
Prime Factorization of 66820
Prime factors of 66820 are 2, 5, 13, 257. Prime factorization of 66820 in exponential form is:
66820 = 22 × 51 × 131 × 2571
Prime Factorization of 66834
Prime factors of 66834 are 2, 3, 47, 79. Prime factorization of 66834 in exponential form is:
66834 = 21 × 32 × 471 × 791
Now multiplying the highest exponent prime factors to calculate the LCM of 66820 and 66834.
LCM(66820,66834) = 22 × 51 × 131 × 2571 × 32 × 471 × 791
LCM(66820,66834) = 2232923940
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