What is the Least Common Multiple of 7150 and 7161?
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 7150 and 7161 is 4654650.
LCM(7150,7161) = 4654650
Least Common Multiple of 7150 and 7161 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7150 and 7161, than apply into the LCM equation.
GCF(7150,7161) = 11
LCM(7150,7161) = ( 7150 × 7161) / 11
LCM(7150,7161) = 51201150 / 11
LCM(7150,7161) = 4654650
Least Common Multiple (LCM) of 7150 and 7161 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 7150 and 7161. First we will calculate the prime factors of 7150 and 7161.
Prime Factorization of 7150
Prime factors of 7150 are 2, 5, 11, 13. Prime factorization of 7150 in exponential form is:
7150 = 21 × 52 × 111 × 131
Prime Factorization of 7161
Prime factors of 7161 are 3, 7, 11, 31. Prime factorization of 7161 in exponential form is:
7161 = 31 × 71 × 111 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 7150 and 7161.
LCM(7150,7161) = 21 × 52 × 111 × 131 × 31 × 71 × 311
LCM(7150,7161) = 4654650
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