# Did 121 is a prime number?

## Did 121 is a prime number?

There are 3 factors of 121 of which 121 itself is the biggest factor and its positive factors are 1, 11 and 121. The Prime Factors of 121 are 1, 11, 121 and its Factors in Pairs are (1, 121) and (11, 11).

## WHY IS 121 a perfect square?

The square root of 121 equals 11. Since 11 is a whole number, 121 is a perfect square.

What is 1 called if it is not a prime?

composite number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number.

### Why is 125 not a prime number?

Is 125 a Prime Number? No, 125 is not a prime number. The number 125 is divisible by 1, 5, 25, 125. Since 125 has more than two factors, i.e. 1, 5, 25, 125, it is not a prime number.

### Is 121 a special number?

In base 10, it is a Smith number since its digits add up to the same value as its factorization (which uses the same digits) and as a consequence of that it is a Friedman number (11^2). But it can not be expressed as the sum of any other number plus that number’s digits, making 121 a self number.

IS 121 a perfect number?

It is the positive solution of the equation x2 = 121. The number 121 is a perfect square….Square Root of 121 in radical form: √121.

1. What Is the Square Root of 121?
4. FAQs on Square Root of 121

#### Why is 11 not a prime number?

Is 11 a Prime Number? The number 11 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 11 has exactly two factors, i.e. 1 and 11, it is a prime number.

#### What is Coprime number?

In number theory, two integers a and b are coprime, relatively prime or mutually prime if the only positive integer that is a divisor of both of them is 1. Consequently, any prime number that divides one of a or b does not divide the other. This is equivalent to their greatest common divisor (gcd) being 1.

IS 125 a perfect cube?

As the cube root of 125 is a whole number, 125 is a perfect cube.

## IS 150 a perfect square?

Is the number 150 a Perfect Square? The prime factorization of 150 = 21 × 31 × 52. Therefore, 150 is not a perfect square.

## What is a 121 number?

121 (one hundred [and] twenty-one) is the natural number following 120 and preceding 122….121 (number)

← 120 121 122 →
← 120 121 122 123 124 125 126 127 128 129 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal one hundred twenty-one

What does 121 mean in texting?

121 means “One-to-One.” Of note: 121 is also a popular name for confidential counselling services. 121 may also be written 1-2-1.

### What are prime numbers go into 121?

Prime Factorization Of 121 Prime factors of number 121 are: 11 Equcation of 121 is: 11 * 11 The smallest common factor of 121 is number 11 Highest or greatest common factor GCF of 121 is number 11

### Is 11 a prime factor of 121?

Hence the prime factors of 121 are 11, 11. 121 is divisible by the prime number 11 which results in 11. The result 11 cannot be divided any further as it is a prime number. Hence the prime factors of 121 are 11, 11.

What number goes into 121?

The formula to solve this would be: X x Y = 121. There are at least two combinations of two numbers that you can multiply together to get 121. For your convenience, we have made a list of all the combinations of two numbers multiplied by each other that will make 121: 1 x 121 = 121. 11 x 11 = 121. 121 x 1 = 121.

1 → 121

• 2 → 242
• 3 → 363
• 4 → 484
• 5 → 605
• 6 → 726
• 7 → 847
• 8 → 968
• 9 → 1089
• 10 → 1210