Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {23, 25, 12, 27, 2, 8} → ______
- Prime numbers in {25, 8, 29, 9, 3, 21} → ______
- Prime numbers in {8, 11, 23, 21, 15, 9} → ______
- Prime numbers in {11, 17, 21, 3, 2, 25} → ______
- Prime numbers in {13, 5, 29, 25, 19, 9} → ______
- Prime numbers in {9, 12, 21, 17, 23, 8} → ______
- Prime numbers in {29, 12, 21, 15, 8, 17} → ______
- Prime numbers in {29, 23, 13, 12, 2, 7} → ______
- Prime numbers in {12, 23, 19, 29, 7, 15} → ______
- Prime numbers in {7, 27, 17, 29, 21, 25} → ______
- Prime numbers in {13, 27, 5, 15, 2, 19} → ______
- Prime numbers in {27, 9, 15, 2, 29, 23} → ______
- Prime numbers in {7, 15, 19, 27, 9, 5} → ______
- Prime numbers in {12, 13, 19, 27, 9, 15} → ______
- Prime numbers in {17, 23, 25, 19, 7, 8} → ______
- Prime numbers in {13, 7, 2, 17, 12, 3} → ______
- Prime numbers in {17, 9, 3, 27, 8, 25} → ______
- Prime numbers in {25, 21, 9, 7, 3, 23} → ______
- Prime numbers in {23, 27, 17, 15, 13, 9} → ______
- Prime numbers in {27, 23, 25, 3, 21, 7} → ______