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