Who are prime numbers in 57, 87, 89 and 49?

Who are prime numbers in 57, 87, 89 and 49?

Prime number is also called prime number. It refers to the number in a natural number greater than 1 which can not be divided by other natural numbers except 1 and the integer itself. In other words, the natural number with only two positive factors (1 and itself) is prime number. 57 = 3 * 1987 = 3 * 2989 = 1 * 8949 = 7 * 7, so only 89 is prime number. Prime numbers within 100 are as follows: 2

29.35.49.59.67.82.79.71.83.89.67.63.87.57.31 what are the prime numbers?

Prime: 29.59.67.79.71.83.67.31

1 13 24 29 41 57 63 79 87 which of these numbers are composite numbers and prime numbers

Total: 24 57 63 87
24=2*2*2*3
57=3*19
63=3*3*7
87=3*29
Prime number: 13 29 41 79
1 is neither prime nor composite