Primes
GCF
Vocabulary
Encrpyt
Decrypt

### 100

This is the prime factorization of 43

What is 1 x 43?

### 100

This is the GCF of 45, 60 and 75

What is 15?

### 100

A number whose only factors are 1 and itself

What is a prime number?

### 100

Encrypt "DINING HALL FOOD" using a Caesar cipher with shift 7

What is KPUPUN OHSS MVVK?

### 100

This is the decryption of "KNOBRYVN RKVV" using a Caesar cipher with shift 10

### 200

This is the prime factorization of 98

What is 2 x 7 x 7?

### 200

This is the GCF of 98 and 108

What is 2?

### 200

A cipher in which each plaintext letter maps to only one letter in the ciphertext

What is a monoalphabetic cipher?

### 200

This is the encryption of "GEORGIA" using the Vigenere cipher (keyword TIP)

What is ZMDKOXT?

### 200

This is the decryption of "TASOIINRNPSTO" using the rail fence cipher with 2 rows

What is "TRANSPOSITION"?

### 300

This is the prime factorization of 736

What is 25 x 23

### 300

This is the GCF of 96 and 216

What is 24?

### 300

The process of ensuring that a message was sent by the correct person

What is authentication?

### 300

This is the encryption of "DRINK MORE WATER" using the rail fence cipher with 3 rows

What is DKEERNMRWTRIOA?

### 300

Decrypt "PZKOTFCT SF YYM UMFU" using the Vigenere cipher with keyword FRIES

What is "KICKBALL ON THE QUAD"?

### 400

This is the prime factorization of 1492

What is 22 x 373?

### 400

This is the GCF of 550 and 616

What is 22?

### 400

A cipher that moves the position of letters in the plaintext but does not change the letters themselves

What is transposition?

### 400

This is the encryption of "JEOPARDY IS FUN" using the Playfair cipher with keyword RESPECT

What is SNEDPTXKCBMO?

### 400

This is the decryption of "XGXDXFGGAXDFAXXGXDGGAXDXFX" using the ADFGX cipher with the given Polybius square

What is "PARTICIPATION"?

### 500

This is the prime factorization of 4098

What is 2 x 3 x 683?

### 500

This is the GCF of 1998 and 2016

What is 18?

### 500

A cipher that has the same algorithm for encryption and decryption

What is a symmetric key cipher?

### 500

This is the encryption of "SMALL HAMBURGER" using the ADFGX cipher with the given Polybius square

What is DAGAGXXGXGGFGXGAFFGGDFDXFDDF ?

### 500

This is the decryption of "NAGZMTISKW" using the Playfair cipher with keyword PLAIN

What is "I LOVE MATH"?