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