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