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Do 13 and 17 have any common multiples?
sure, just look at 13x17, that will be a multiple of both. But since both are primes, there are no common factors The LCM of 13 and 17 is 221( by Goldragon845)
Is 1 a prime?
Primes and composite numbers have two or more factors, including 1 and the number itself. 1 has only one factor, so it is neither a prime nor a composite number.
16 as sum of two primes?
16 = 1+15, 3+13, 5+11, 7+92,3,5,7,11,13 are primes < 1616 = 3+13 or 5+11
66 as a product of a primes?
66 = 2 x 3 x 11
What are the 3 consecutive primes that 409457 is a product of?
409,457 = 71 x 73 x 79
What number is between a pair of twin primes and has exactly 4 factors?
Six has four factors and is in between the twin primes 5 and 7.
What are numbers with 3 factors called?
Squares of primes.
Numbers that have exactly three factors?
Squares of primes.
The factors and primes of 5027?
11 x 457
What numbers has 3 positive factors?
squares of primes 4,9,25 and so on.
What the factor primes in 360?
The prime factors of 360 are: 2,3,5
What is the factors of 198?
any combination of its primes: 2,3,3,11 2,3,6,9,11,18,22,33,66,99
How many primes factors does the number 189 have?
Two distinct prime factors, four altogether.
Sets of factors for every number not prime?
All non prime numbers have factors that are primes.
What is 12 as a factors of prime factors?
12 in primes = 2 x 2 x 3
Are 2 and 5 co-primes?
The numbers, 2 and 5, are co-primes because they both have just two factors, 1 and themselves.
Common factors of 11 and 23?
Both are primes, so the answer is 1.
