12x5 is 60 is it suppose to be 12 times 5
3 x 7 because three, seven times is 21
Answer:
Step-by-step explanation:
1)=-2
2)=18
3)=2.5
A prime number has exactly two factors, 1 and itself. For example, 13 is a prime number because the only factors of 13 are 1 and 13. The number 8 is not prime because it has four factors: 1, 2, 4 and 8. The number 1 is not a prime number because it only has one factor (itself).
