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 {25, 11, 15, 19, 13, 9} → ______
- Prime numbers in {27, 19, 11, 9, 23, 17} → ______
- Prime numbers in {12, 29, 17, 19, 2, 7} → ______
- Prime numbers in {9, 3, 27, 12, 8, 11} → ______
- Prime numbers in {17, 8, 29, 7, 15, 23} → ______
- Prime numbers in {5, 3, 19, 8, 23, 21} → ______
- Prime numbers in {27, 19, 2, 29, 8, 15} → ______
- Prime numbers in {27, 12, 9, 21, 8, 15} → ______
- Prime numbers in {8, 25, 19, 7, 13, 11} → ______
- Prime numbers in {25, 17, 9, 8, 15, 5} → ______
- Prime numbers in {29, 5, 7, 27, 25, 15} → ______
- Prime numbers in {29, 25, 13, 11, 17, 21} → ______
- Prime numbers in {15, 25, 29, 2, 5, 11} → ______
- Prime numbers in {9, 11, 8, 23, 19, 2} → ______
- Prime numbers in {27, 9, 13, 19, 21, 7} → ______
- Prime numbers in {12, 19, 27, 5, 13, 7} → ______
- Prime numbers in {2, 5, 8, 13, 9, 23} → ______
- Prime numbers in {8, 29, 5, 7, 17, 21} → ______
- Prime numbers in {17, 3, 19, 5, 2, 25} → ______
- Prime numbers in {29, 13, 23, 17, 11, 25} → ______