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Charlievicky
What four digit palindrome has exactly one factor that is prime? Please explain:)
only prime numbers have 1 factor that is prime.
Please someone help! :)
all numbers have a unique prime factorization. a number with only 1 prime factor .. is a prime number. you want a 4 digit prime number that reads forward and backwards the same
youre welcome: your number will most likely start and end with either 1s, 3s, 7s, or 9s which narrows down the pool a bit