2 is the only prime factor of 4.
The numbers are CO-prime, but not necessarily prime numbers: think of 3 and 4....
149 is the only prime number betweeen 140 and 150.
As a product of its prime factors: 2*3*5*5 = 150 Or: 3+13+37+97 = 150
The GCF of two prime numbers is 1. 4, 9 and 25 are relatively prime.
A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
2 x 3 x 5 x 5 = 150
No.
It is: (x+1)(x+4) none of which are prime numbers
3 is a prime number. 4 and 10 are both composite numbers having 2 as a factor.
Yes. The greatest common factor of 4 and 10 is 2, which is a prime number. The greatest common factor of 51 and 81 is 3, which is a prime number.
They are relatively prime or co-prime, like 4 and 9.