Three.
No, odd. 49 has three factors: 1, 7, 49
Yes. 49 has three factors: 1 7 49
Yes. Square numbers have an odd number of factors. 49 has three factors.
Square numbers, like 49, have an odd number of factors.
49 is an odd number numbers ending in 1,3,5,7,9 are odd.
There are 48/2 + 1 = 25 odd numbers in 1 to 49, inclusive.
Between the two numbers there are 49.
49 has three factors: 1, 7, 49
49
All the numbers above 2 that are the squares of odd primes have exactly 3 factors: 1, the odd prime, and the odd prime squared. 4, 9, 25, 49, 81, 121,...
16 has an odd number of factors; its factors are 1, 2, 4, 8, and 16
Three factors