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Is a prime number a factor of 1?
no, factors of a number would be less than that of the original number. A prime number is a number that has factors of only itself and 1.
What is the number that is less than 160 has exactly three different prime factors what is the number?
How about 105 whose prime factors are 3, 5 and 7
What are all the numbers less than 100 with exactly 3 factors that are prime?
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
What is the highest number less than 100 with the least factors?
It is 97 which has only two factors because it is a prime number
What makes the prime numbers less than 50 prime?
A number is prime if its only two factors are one and itself.
What is the number whose prime factors are all prime numbers less then 10 and no factor is repeated?
210
How do you identify prime numbers less than 100?
Numbers can be checked to see if they are primes simply by factoring them. Every prime number has exactly two factors, 1 and the number itself. If there are more or less than 2 factors, the number is not a prime. 1 has only one factor so it is not a prime, and composite numbers have 3 or more factors.
What number less than 1000 has the most prime factors?
512 = 29 or 768 = 28*3 have 9 prime factors each.
What number less than 20 an odd number and has 2 different prime factors?
The only number less than 20 that is odd and has 2 different prime factors is 15. The prime factors of 15 are 3 and 5, both of which are prime numbers. Any other odd number less than 20 either has only one prime factor or has more than 2 prime factors.
What number less than 31 has most different prime factors?
30
What is an odd number that is less than 160 but has 3 prime factors?
105
Which number has three different prime factors that is less than 160?
30 does.
