3*17 = 51
17, 31 and 23 are.
3 and 17
51 = 3 x 17 Both 3 and 17 are prime numbers.
No, 41, 51, 71, 81, and 91 are not prime numbers. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, all the numbers listed can be divided by numbers other than 1 and themselves, making them composite numbers.
31 is prime, but 51 is not as 51=3*17.
The digits in 51 add up to 6, so it is divisible by 3.51/3 = 17 (17, like 3 is a prime number)so the prime factors of 51 are the two numbers, 3 and 17(51, like all numbers, can also be divided without remainder by 1, but this is not usually counted as a prime factor)
3 x 17 = 51
The prime factors of 51 are 3 and 17.
The prime factors of 51 are 3 and 17.
3 x 17
17 and 61
3*17 = 51
17, 31 and 23 are.
3 and 17
3 x 17
51. The LCM of two prime numbers is their product. 3 x 17 = 51