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