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