420 = 2 * 2 * 3 * 5 * 7
It is: 2*2*3*5*7 = 420 or as 22*3*5*7 = 420
Least Common Multiple (LCM) for 42 140 is 420.
Find one factor, divide by it to get the other factor. Continue separating each of the factors into smaller factors, until you only have prime numbers. For example, 840 = 2 x 420. Now continue finding smaller factors for 420.
420 has 5 prime factors, four of which are different prime numbers. Prime factors of 420 are 2 x 2 x 5 x 3 x 7.
22 x 3 x 5 x 7 = 420
420 210,2 105,2,2 35,3,2,2 7,5,3,2,2
420 = 2 * 2 * 3 * 5 * 7
The prime factorization of 420 is 2, 2, 3, 7, 5.
As the product of its prime factors: 2*2*3*5*7 = 420 or as 22*3*5*7 = 420
It is: 2*2*3*5*7 = 420 or as 22*3*5*7 = 420
The prime factorization of 420 is: 2 × 2 × 3 × 5 × 7
420 = 2^2 x 3 x 5 x 7
The prime factorization of 420 is: 2 x 2 x 3 x 5 x 7
420 = 2 * 2 * 3 * 5 * 72 x 2 x 3 x 5 x 7 = 420
The GCF of 420, 735, and 945 is 105.The prime factorization of 420 is 2x2x3x5x7The prime factorization of 735 is 3x5x7x7The prime factorization of 945 is 3x3x3x5x7(1) List the prime factors of each number.(2) Multiply those factors all numbers in the set have in common. If there are no common prime factors, the GCF is 1. (Those factors are the ones in bold type.)As you can see the GCF is 3x5x7 or 105
Least Common Multiple (LCM) for 42 140 is 420.