What is the Least Common Multiple of 210 and 217?
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 210 and 217 is 6510.
LCM(210,217) = 6510
Least Common Multiple of 210 and 217 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 210 and 217, than apply into the LCM equation.
GCF(210,217) = 7
LCM(210,217) = ( 210 × 217) / 7
LCM(210,217) = 45570 / 7
LCM(210,217) = 6510
Least Common Multiple (LCM) of 210 and 217 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 210 and 217. First we will calculate the prime factors of 210 and 217.
Prime Factorization of 210
Prime factors of 210 are 2, 3, 5, 7. Prime factorization of 210 in exponential form is:
210 = 21 × 31 × 51 × 71
Prime Factorization of 217
Prime factors of 217 are 7, 31. Prime factorization of 217 in exponential form is:
217 = 71 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 210 and 217.
LCM(210,217) = 21 × 31 × 51 × 71 × 311
LCM(210,217) = 6510
Related Least Common Multiples of 210
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Related Least Common Multiples of 217
- LCM of 217 and 221
- LCM of 217 and 222
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